Connecticut Areacode: 203
Note๏ผ203 is the areacode of Connecticut, United States. For international number is 001203 or 001-203ใ0010203ใ+1-203ใ+1+203ใ+1203ใ00-1-203ใ00 1 203.
More About Area Code 203
Area Code 203 is one of the original 86 area codes created by AT&T and the Bell System in 1947. It originally served the entire state of Connecticut. In 1995, area code 860 was created as an overlay to area code 203. In 2009, area code 475 was created as an overlay to area code 203. Currently, the largest city it serves is Bridgeport, CT, and it overlaps coverage areas with area code 475.
Active Phone Number Prefixes
| Prefix | Usage | Primary City | Carrier |
| (203) 200- | Landline | New Haven | Bandwidth.com Clec |
| (203) 201- | Wireless | New Haven | Usa Mobility Wireless |
| (203) 202- | Landline | Darien | Cablevision Lightpath |
| (203) 204- | Landline | Guilford | Teleport Communications America |
| (203) 205- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 206- | Wireless | Waterbury | New Cingular Wireless PCS - DC |
| (203) 207- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 208- | Landline | Branford | Comcast Phone Of Connecticut |
| (203) 209- | Landline | Bridgeport | Cellco Partnership DBA Verizon Wireless |
| (203) 210- | Landline | Wilton | Cablevision Lightpath |
| (203) 212- | Wireless | Bridgeport | New Cingular Wireless PCS - DC |
| (203) 213- | Wireless | Meriden | New Cingular Wireless PCS - DC |
| (203) 214- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 215- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 216- | Wireless | Westport | New Cingular Wireless PCS - DC |
| (203) 217- | Wireless | Waterbury | New Cingular Wireless PCS - DC |
| (203) 218- | Wireless | Bridgeport | New Cingular Wireless PCS - DC |
| (203) 219- | Wireless | Stamford | New Cingular Wireless PCS - DC |
| (203) 220- | Landline | Trumbull | Cablevision Lightpath |
| (203) 221- | Landline | Westport | Southern New England Telephone Co. |
| (203) 222- | Landline | Westport | Southern New England Telephone Co. |
| (203) 223- | Wireless | Stamford | Sprint Spectrum L.p. |
| (203) 224- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 225- | Landline | Huntington | Southern New England Telephone Co. |
| (203) 226- | Landline | Westport | Southern New England Telephone Co. |
| (203) 227- | Landline | Westport | Southern New England Telephone Co. |
| (203) 228- | Wireless | Waterbury | Cellco Partnership DBA Verizon Wireless |
| (203) 229- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 230- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 231- | Wireless | Derby | Cellco Partnership DBA Verizon Wireless |
| (203) 232- | Wireless | Waterbury | Cellco Partnership DBA Verizon Wireless |
| (203) 233- | Wireless | Waterbury | Cellco Partnership DBA Verizon Wireless |
| (203) 234- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 235- | Landline | Meriden | Southern New England Telephone Co. |
| (203) 236- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 237- | Landline | Meriden | Southern New England Telephone Co. |
| (203) 238- | Landline | Meriden | Southern New England Telephone Co. |
| (203) 239- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 240- | Wireless | Danbury | Cellco Partnership DBA Verizon Wireless |
| (203) 241- | Wireless | Danbury | Cellco Partnership DBA Verizon Wireless |
| (203) 242- | Landline | Huntington | Cablevision Lightpath |
| (203) 243- | Wireless | Bridgeport | Omnipoint Communications |
| (203) 244- | Landline | Ridgefield | Cablevision Lightpath |
| (203) 245- | Landline | Madison | Southern New England Telephone Co. |
| (203) 246- | Wireless | Norwalk | Cellco Partnership DBA Verizon Wireless |
| (203) 247- | Wireless | Norwalk | Cellco Partnership DBA Verizon Wireless |
| (203) 248- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 249- | Wireless | Stamford | Cellco Partnership DBA Verizon Wireless |
| (203) 250- | Landline | Cheshire | Southern New England Telephone Co. |
| (203) 251- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 252- | Landline | Stamford | Cablevision Lightpath |
| (203) 253- | Wireless | Stamford | Cellco Partnership DBA Verizon Wireless |
| (203) 254- | Landline | Fairfield | Southern New England Telephone Co. |
| (203) 255- | Landline | Fairfield | Southern New England Telephone Co. |
| (203) 256- | Landline | Fairfield | Southern New England Telephone Co. |
| (203) 257- | Wireless | Bridgeport | Cellco Partnership DBA Verizon Wireless |
| (203) 258- | Wireless | Bridgeport | Cellco Partnership DBA Verizon Wireless |
| (203) 259- | Landline | Fairfield | Southern New England Telephone Co. |
| (203) 260- | Wireless | Bridgeport | New Cingular Wireless PCS - DC |
| (203) 261- | Landline | Trumbull | Southern New England Telephone Co. |
| (203) 262- | Landline | Southbury | Southern New England Telephone Co. |
| (203) 263- | Landline | Woodbury | Southern New England Telephone Co. |
| (203) 264- | Landline | Southbury | Southern New England Telephone Co. |
| (203) 265- | Landline | Wallingford | Southern New England Telephone Co. |
| (203) 266- | Landline | Woodbury | Southern New England Telephone Co. |
| (203) 267- | Landline | Southbury | Southern New England Telephone Co. |
| (203) 268- | Landline | Trumbull | Southern New England Telephone Co. |
| (203) 269- | Landline | Wallingford | Southern New England Telephone Co. |
| (203) 270- | Landline | Newtown | Southern New England Telephone Co. |
| (203) 271- | Landline | Cheshire | Southern New England Telephone Co. |
| (203) 272- | Landline | Cheshire | Southern New England Telephone Co. |
| (203) 273- | Wireless | Stamford | Cellco Partnership DBA Verizon Wireless |
| (203) 274- | Wireless | Stamford | New Cingular Wireless PCS - DC |
| (203) 275- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 276- | Landline | Stamford | Cablevision Lightpath |
| (203) 277- | Landline | Old Greenwich | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 278- | Wireless | Derby | Omnipoint Communications |
| (203) 279- | Wireless | Bridgeport | Usa Mobility Wireless |
| (203) 280- | Landline | Darien | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 281- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 282- | Wireless | Stamford | Usa Mobility Wireless |
| (203) 283- | Landline | Milford | Cablevision Lightpath |
| (203) 284- | Landline | Wallingford | Southern New England Telephone Co. |
| (203) 285- | Landline | New Haven | Teleport Communications America |
| (203) 286- | Landline | Norwalk | Conversent Communications Of Connecticut |
| (203) 287- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 288- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 289- | Wireless | Danbury | Usa Mobility Wireless |
| (203) 290- | Wireless | Bridgeport | Omnipoint Communications |
| (203) 291- | Landline | Westport | Southern New England Telephone Co. |
| (203) 292- | Landline | Fairfield | Cablevision Lightpath |
| (203) 293- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 294- | Landline | Wallingford | Southern New England Telephone Co. |
| (203) 295- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 296- | Landline | Bridgeport | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 297- | Landline | Danbury | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 298- | Landline | New Haven | Cablevision Lightpath |
| (203) 299- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 300- | Wireless | Danbury | Omnipoint Communications |
| (203) 301- | Landline | Milford | Southern New England Telephone Co. |
| (203) 302- | Landline | Greenwich | Teleport Communications Group - NY |
| (203) 303- | Landline | Wallingford | Teleport Communications America |
| (203) 304- | Landline | Newtown | Teleport Communications America |
| (203) 305- | Wireless | Derby | New Cingular Wireless PCS - DC |
| (203) 306- | Landline | Milford | Choice One Communications |
| (203) 307- | Landline | Fairfield | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 308- | Wireless | Derby | Cellco Partnership DBA Verizon Wireless |
| (203) 309- | Wireless | New Haven | Sprint Spectrum L.p. |
| (203) 310- | Landline | New Canaan | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 312- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 313- | Wireless | Danbury | Cellco Partnership DBA Verizon Wireless |
| (203) 314- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 315- | Landline | Branford | Southern New England Telephone Co. |
| (203) 316- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 317- | Landline | Meriden | Southern New England Telephone Co. |
| (203) 318- | Landline | Madison | Southern New England Telephone Co. |
| (203) 319- | Landline | Fairfield | Southern New England Telephone Co. |
| (203) 320- | Landline | Darien | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 321- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 322- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 323- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 324- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 325- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 326- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 327- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 328- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 329- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 330- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 331- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 332- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 333- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 334- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 335- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 336- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 337- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 338- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 339- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 340- | Landline | Greenwich | Cablevision Lightpath |
| (203) 341- | Landline | Westport | Southern New England Telephone Co. |
| (203) 342- | Wireless | Bridgeport | Usa Mobility Wireless |
| (203) 343- | Wireless | Derby | New Cingular Wireless PCS - DC |
| (203) 344- | Landline | Old Greenwich | Cablevision Lightpath |
| (203) 345- | Landline | Bridgeport | Cablevision Lightpath |
| (203) 346- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 347- | Landline | Greenwich | Level 3 Communications |
| (203) 348- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 349- | Landline | Westport | Teleport Communications America |
| (203) 350- | Landline | Madison | Teleport Communications America |
| (203) 351- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 352- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 353- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 354- | Landline | Norwalk | Cablevision Lightpath |
| (203) 355- | Landline | Stamford | Cablevision Lightpath |
| (203) 356- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 357- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 358- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 359- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 360- | Wireless | Bridgeport | Metro PCS |
| (203) 361- | Landline | New Haven | Level 3 Communications |
| (203) 362- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 363- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 364- | Landline | Newtown | Southern New England Telephone Co. |
| (203) 365- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 366- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 367- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 368- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 369- | Landline | Old Greenwich | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 370- | Wireless | New Haven | American Messaging (am) |
| (203) 371- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 372- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 373- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 374- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 375- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 376- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 377- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 378- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 379- | Landline | Meriden | Southern New England Telephone Co. |
| (203) 380- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 381- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 382- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 383- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 384- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 385- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 386- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 387- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 388- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 389- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 390- | Wireless | New Haven | Usa Mobility Wireless |
| (203) 391- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 392- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 393- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 394- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 395- | Wireless | Bridgeport | Sprint Spectrum L.p. |
| (203) 396- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 397- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 398- | Wireless | Norwalk | Usa Mobility Wireless |
| (203) 399- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 400- | Wireless | Trumbull | New Cingular Wireless PCS - DC |
| (203) 401- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 402- | Landline | Huntington | Southern New England Telephone Co. |
| (203) 403- | Landline | Ridgefield | Teleport Communications America |
| (203) 404- | Landline | New Haven | Broadwing Communications |
| (203) 405- | Landline | Woodbury | Paetec Communications |
| (203) 406- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 407- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 408- | Landline | Redding | AT&T Local |
| (203) 409- | Landline | Old Greenwich | Teleport Communications America |
| (203) 410- | Wireless | New Haven | Sprint Spectrum L.p. |
| (203) 412- | Wireless | New Haven | American Messaging (am) |
| (203) 413- | Landline | Greenwich | Paetec Communications - NY |
| (203) 414- | Wireless | Bridgeport | New Cingular Wireless PCS - DC |
| (203) 415- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 416- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 417- | Wireless | Danbury | New Cingular Wireless PCS - DC |
| (203) 418- | Landline | Fairfield | Teleport Communications America |
| (203) 419- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 420- | Landline | Meriden | Southern New England Telephone Co. |
| (203) 421- | Landline | Madison | Southern New England Telephone Co. |
| (203) 422- | Landline | Greenwich | Verizon New York |
| (203) 423- | Landline | Wilton | Teleport Communications America |
| (203) 424- | Wireless | Danbury | Sprint Spectrum L.p. |
| (203) 425- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 426- | Landline | Newtown | Southern New England Telephone Co. |
| (203) 427- | Landline | Meriden | Mcimetro Access Transmission Services LLC |
| (203) 428- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 429- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 430- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 431- | Landline | Ridgefield | Southern New England Telephone Co. |
| (203) 432- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 433- | Landline | Branford | Comcast Phone Of Connecticut |
| (203) 434- | Wireless | Norwalk | Omnipoint Communications |
| (203) 435- | Wireless | New Haven | Omnipoint Communications |
| (203) 436- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 437- | Landline | Waterbury | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 438- | Landline | Ridgefield | Southern New England Telephone Co. |
| (203) 439- | Landline | Cheshire | Cox Connecticut Telecom |
| (203) 440- | Landline | Meriden | Cox Connecticut Telecom |
| (203) 441- | Landline | Wolcott | Teleport Communications America |
| (203) 442- | Landline | New Canaan | Teleport Communications America |
| (203) 443- | Landline | Meriden | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 444- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 445- | Landline | Trumbull | Southern New England Telephone Co. |
| (203) 446- | Landline | Derby | Teleport Communications America |
| (203) 447- | Landline | Huntington | Teleport Communications America |
| (203) 448- | Landline | Danbury | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 449- | Wireless | Bridgeport | Sprint Spectrum L.p. |
| (203) 450- | Wireless | Bridgeport | Cellco Partnership DBA Verizon Wireless |
| (203) 451- | Landline | Westport | New Cingular Wireless PCS - DC |
| (203) 452- | Landline | Trumbull | Southern New England Telephone Co. |
| (203) 453- | Landline | Guilford | Southern New England Telephone Co. |
| (203) 454- | Landline | Westport | Southern New England Telephone Co. |
| (203) 455- | Landline | Bridgeport | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 456- | Wireless | Danbury | Cellco Partnership DBA Verizon Wireless |
| (203) 457- | Landline | Guilford | Southern New England Telephone Co. |
| (203) 458- | Landline | Guilford | Southern New England Telephone Co. |
| (203) 459- | Landline | Trumbull | Southern New England Telephone Co. |
| (203) 460- | Landline | Danbury | AT&T Local |
| (203) 461- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 462- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 463- | Landline | Seymour | Teleport Communications America |
| (203) 464- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 465- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 466- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 467- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 468- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 469- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 470- | Wireless | Danbury | Cellco Partnership DBA Verizon Wireless |
| (203) 471- | Unknown | Southern New England Telephone Co. | |
| (203) 472- | Unknown | Southern New England Telephone Co. | |
| (203) 473- | Unknown | Southern New England Telephone Co. | |
| (203) 474- | Unknown | Southern New England Telephone Co. | |
| (203) 476- | Unknown | Southern New England Telephone Co. | |
| (203) 477- | Wireless | New Haven | Usa Mobility Wireless |
| (203) 478- | Unknown | Southern New England Telephone Co. | |
| (203) 479- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 480- | Landline | Fairfield | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 481- | Landline | Branford | Southern New England Telephone Co. |
| (203) 482- | Wireless | Danbury | New Cingular Wireless PCS - DC |
| (203) 483- | Landline | Branford | Southern New England Telephone Co. |
| (203) 484- | Landline | Northford | Southern New England Telephone Co. |
| (203) 485- | Landline | Greenwich | Cablevision Lightpath |
| (203) 486- | Landline | Southbury | Southern New England Telephone Co. |
| (203) 487- | Landline | Stamford | Global Crossing Local Services-ct |
| (203) 488- | Landline | Branford | Southern New England Telephone Co. |
| (203) 489- | Landline | Greenwich | Cablevision Lightpath |
| (203) 490- | Landline | Naugatuck | Teleport Communications America |
| (203) 491- | Landline | Newtown | Bandwidth.com Clec |
| (203) 492- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 493- | Landline | Redding | Level 3 Communications |
| (203) 494- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 495- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 496- | Wireless | Greenwich | Sprint Spectrum L.p. |
| (203) 497- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 498- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 499- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 500- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 501- | Wireless | Danbury | Cellco Partnership DBA Verizon Wireless |
| (203) 502- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 503- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 504- | Landline | Stamford | Ctc Communications Corp. |
| (203) 505- | Landline | Norwalk | Cellco Partnership DBA Verizon Wireless |
| (203) 506- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 507- | Wireless | New Haven | Sprint Spectrum L.p. |
| (203) 508- | Landline | New Haven | Ctc Communications Corp. |
| (203) 509- | Wireless | Waterbury | Sprint Spectrum L.p. |
| (203) 510- | Wireless | Waterbury | Sprint Spectrum L.p. |
| (203) 512- | Wireless | Danbury | Omnipoint Communications |
| (203) 513- | Landline | New Haven | AT&T Local |
| (203) 514- | Landline | Meriden | Teleport Communications America |
| (203) 515- | Wireless | Norwalk | Sprint Spectrum L.p. |
| (203) 516- | Landline | Derby | Global Crossing Local Services-ct |
| (203) 517- | Landline | Stamford | Level 3 Communications |
| (203) 518- | Wireless | Waterbury | New Cingular Wireless PCS - DC |
| (203) 519- | Wireless | Waterbury | Sprint Spectrum L.p. |
| (203) 520- | Wireless | Bridgeport | Cellco Partnership DBA Verizon Wireless |
| (203) 521- | Wireless | Bridgeport | Cellco Partnership DBA Verizon Wireless |
| (203) 522- | Wireless | Bridgeport | New Cingular Wireless PCS - DC |
| (203) 523- | Landline | Norwalk | Teleport Communications America |
| (203) 524- | Wireless | Stamford | New Cingular Wireless PCS - DC |
| (203) 525- | Wireless | Waterbury | New Cingular Wireless PCS - DC |
| (203) 526- | Wireless | Bridgeport | Sprint Spectrum L.p. |
| (203) 527- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 528- | Landline | Waterbury | Level 3 Communications |
| (203) 529- | Landline | Wilton | AT&T Local |
| (203) 530- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 531- | Landline | Greenwich | Verizon New York |
| (203) 532- | Landline | Greenwich | Verizon New York |
| (203) 533- | Landline | Guilford | Level 3 Communications |
| (203) 534- | Wireless | Bridgeport | Southern New England Telephone Co. |
| (203) 535- | Landline | New Haven | Comcast Phone Of Connecticut |
| (203) 536- | Wireless | Stamford | Cellco Partnership DBA Verizon Wireless |
| (203) 537- | Wireless | Meriden | Sprint Spectrum L.p. |
| (203) 538- | Landline | Huntington | Choice One Communications |
| (203) 539- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 540- | Wireless | Bridgeport | New Cingular Wireless PCS - DC |
| (203) 541- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 542- | Landline | Greenwich | AT&T Local |
| (203) 543- | Wireless | Bridgeport | Omnipoint Communications |
| (203) 544- | Landline | Redding | Southern New England Telephone Co. |
| (203) 545- | Wireless | Bridgeport | Sprint Spectrum L.p. |
| (203) 546- | Landline | Danbury | Teleport Communications America |
| (203) 547- | Landline | Stamford | Global Naps |
| (203) 548- | Landline | Stamford | Broadwing Communications |
| (203) 549- | Landline | Bridgeport | Choice One Communications |
| (203) 550- | Wireless | Stamford | Omnipoint Communications |
| (203) 551- | Landline | Bridgeport | Teleport Communications America |
| (203) 552- | Landline | Greenwich | Verizon New York |
| (203) 553- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 554- | Wireless | Stamford | New Cingular Wireless PCS - DC |
| (203) 556- | Wireless | Bridgeport | New Cingular Wireless PCS - DC |
| (203) 557- | Landline | Westport | Cablevision Lightpath |
| (203) 558- | Wireless | Waterbury | New Cingular Wireless PCS - DC |
| (203) 559- | Landline | Darien | Teleport Communications America |
| (203) 560- | Wireless | Waterbury | New Cingular Wireless PCS - DC |
| (203) 561- | Wireless | Stamford | Cellco Partnership DBA Verizon Wireless |
| (203) 562- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 563- | Landline | Wilton | Southern New England Telephone Co. |
| (203) 564- | Landline | Stamford | AT&T Local |
| (203) 565- | Wireless | Waterbury | Sprint Spectrum L.p. |
| (203) 566- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 567- | Landline | Huntington | Paetec Communications |
| (203) 568- | Landline | Waterbury | Paetec Communications |
| (203) 569- | Landline | Stamford | Cablevision Lightpath |
| (203) 570- | Wireless | Stamford | Omnipoint Communications |
| (203) 571- | Landline | Westport | AT&T Local |
| (203) 572- | Wireless | Bridgeport | Sprint Spectrum L.p. |
| (203) 573- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 574- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 575- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 576- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 577- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 578- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 579- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 580- | Landline | Greenwich | Peerless Network Of Connecticut |
| (203) 581- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 582- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 583- | Landline | Bridgeport | Level 3 Communications |
| (203) 584- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 585- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 586- | Landline | Woodbury | Teleport Communications America |
| (203) 587- | Landline | Redding | Cablevision Lightpath |
| (203) 588- | Landline | Stamford | Cablevision Lightpath |
| (203) 589- | Wireless | New Haven | Sprint Spectrum L.p. |
| (203) 590- | Landline | Trumbull | Level 3 Communications |
| (203) 591- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 592- | Wireless | Waterbury | New Cingular Wireless PCS - DC |
| (203) 593- | Wireless | Norwalk | Usa Mobility Wireless |
| (203) 594- | Landline | New Canaan | Cablevision Lightpath |
| (203) 595- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 596- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 597- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 598- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 599- | Landline | Meriden | AT&T Local |
| (203) 600- | Wireless | Meriden | Metro PCS |
| (203) 601- | Landline | Trumbull | Teleport Communications America |
| (203) 602- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 603- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 604- | Landline | Stamford | Broadwing Communications |
| (203) 605- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 606- | Wireless | New Haven | Omnipoint Communications |
| (203) 607- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 608- | Landline | Meriden | Paetec Communications |
| (203) 609- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 610- | Landline | Bridgeport | Conversent Communications Of Connecticut |
| (203) 612- | Landline | Bridgeport | Global Crossing Local Services-ct |
| (203) 613- | Wireless | Norwalk | Sprint Spectrum L.p. |
| (203) 614- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 615- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 616- | Landline | Danbury | Global Crossing Local Services-ct |
| (203) 617- | Wireless | Danbury | Sprint Spectrum L.p. |
| (203) 618- | Landline | Greenwich | Verizon New York |
| (203) 619- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 620- | Landline | Darien | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 621- | Landline | Darien | Paetec Communications |
| (203) 622- | Landline | Greenwich | Verizon New York |
| (203) 623- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 624- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 625- | Landline | Greenwich | Verizon New York |
| (203) 626- | Landline | New Haven | AT&T Local |
| (203) 627- | Wireless | New Haven | Sprint Spectrum L.p. |
| (203) 628- | Landline | Danbury | Cablevision Lightpath |
| (203) 629- | Landline | Greenwich | Verizon New York |
| (203) 630- | Landline | Meriden | Southern New England Telephone Co. |
| (203) 631- | Wireless | Meriden | New Cingular Wireless PCS - DC |
| (203) 632- | Landline | Naugatuck | Choice One Communications |
| (203) 633- | Landline | Wolcott | Level 3 Communications |
| (203) 634- | Landline | Meriden | Southern New England Telephone Co. |
| (203) 635- | Landline | Stamford | Level 3 Communications |
| (203) 636- | Landline | Darien | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 637- | Landline | Old Greenwich | Southern New England Telephone Co. |
| (203) 638- | Landline | Trumbull | Paetec Communications |
| (203) 639- | Landline | Meriden | Southern New England Telephone Co. |
| (203) 640- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 641- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 642- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 643- | Landline | Branford | Choice One Communications |
| (203) 644- | Wireless | Norwalk | Cellco Partnership DBA Verizon Wireless |
| (203) 645- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 646- | Landline | Branford | Global Crossing Local Services-ct |
| (203) 647- | Landline | Milford | Paetec Communications |
| (203) 648- | Landline | Danbury | Level 3 Communications |
| (203) 649- | Landline | Cheshire | Paetec Communications |
| (203) 650- | Wireless | Bridgeport | Sprint Spectrum L.p. |
| (203) 651- | Landline | Cheshire | Choice One Communications |
| (203) 652- | Landline | Stamford | Paetec Communications |
| (203) 653- | Landline | Stamford | Paetec Communications |
| (203) 654- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 655- | Landline | Darien | Southern New England Telephone Co. |
| (203) 656- | Landline | Darien | Southern New England Telephone Co. |
| (203) 657- | Wireless | New Haven | American Messaging (am) |
| (203) 658- | Landline | Stamford | Teleport Communications America |
| (203) 659- | Landline | Fairfield | Paetec Communications |
| (203) 660- | Landline | Greenwich | Global Crossing Local Services-ct |
| (203) 661- | Landline | Greenwich | Verizon New York |
| (203) 662- | Landline | Darien | Southern New England Telephone Co. |
| (203) 663- | Landline | Stamford | Paetec Communications |
| (203) 664- | Landline | Redding | Cablevision Lightpath |
| (203) 665- | Landline | Stamford | Paetec Communications |
| (203) 666- | Landline | Bridgeport | Level 3 Communications |
| (203) 667- | Wireless | Stamford | Sprint Spectrum L.p. |
| (203) 668- | Wireless | New Haven | Sprint Spectrum L.p. |
| (203) 669- | Landline | Darien | Global Crossing Local Services-ct |
| (203) 670- | Wireless | Waterbury | American Messaging (am) |
| (203) 671- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 672- | Landline | New Haven | Paetec Communications |
| (203) 673- | Landline | Bridgeport | AT&T Local |
| (203) 674- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 675- | Wireless | New Haven | Sprint Spectrum L.p. |
| (203) 676- | Wireless | New Haven | Sprint Spectrum L.p. |
| (203) 677- | Landline | Wallingford | Southern New England Telephone Co. |
| (203) 678- | Landline | Wallingford | Paetec Communications |
| (203) 679- | Landline | Wallingford | Southern New England Telephone Co. |
| (203) 680- | Wireless | Waterbury | Southern New England Telephone Co. |
| (203) 681- | Landline | Greenwich | Verizon New York |
| (203) 682- | Landline | Stamford | Paetec Communications |
| (203) 683- | Landline | Bridgeport | Paetec Communications |
| (203) 684- | Wireless | New Haven | Metro PCS |
| (203) 685- | Wireless | Bridgeport | Omnipoint Communications |
| (203) 686- | Landline | Meriden | Southern New England Telephone Co. |
| (203) 687- | Landline | New Haven | Level 3 Communications |
| (203) 688- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 689- | Landline | New Haven | AT&T Local |
| (203) 690- | Wireless | Bridgeport | Omnipoint Communications |
| (203) 691- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 692- | Landline | Fairfield | Global Crossing Local Services-ct |
| (203) 693- | Landline | Milford | Cablevision Lightpath |
| (203) 694- | Landline | Meriden | Southern New England Telephone Co. |
| (203) 695- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 696- | Landline | Bridgeport | Southern New England Telephone Co. |
| (203) 697- | Landline | Wallingford | Southern New England Telephone Co. |
| (203) 698- | Landline | Old Greenwich | Southern New England Telephone Co. |
| (203) 699- | Landline | Cheshire | Southern New England Telephone Co. |
| (203) 701- | Landline | New Haven | AT&T Local |
| (203) 702- | Landline | Danbury | Paetec Communications |
| (203) 703- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 704- | Landline | Wolcott | Broadwing Communications |
| (203) 705- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 706- | Landline | Waterbury | Ctc Communications Corp. |
| (203) 707- | Wireless | Waterbury | Cellco Partnership DBA Verizon Wireless |
| (203) 708- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 709- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 710- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 712- | Landline | Huntington | Global Crossing Local Services-ct |
| (203) 713- | Landline | Milford | Global Crossing Local Services-ct |
| (203) 714- | Landline | Naugatuck | Global Crossing Local Services-ct |
| (203) 715- | Wireless | Meriden | Omnipoint Communications |
| (203) 716- | Landline | Stamford | Global Crossing Local Services-ct |
| (203) 717- | Landline | Greenwich | Cablevision Lightpath |
| (203) 718- | Landline | Cheshire | Global Crossing Local Services-ct |
| (203) 719- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 720- | Landline | Naugatuck | Southern New England Telephone Co. |
| (203) 721- | Landline | Waterbury | AT&T Local |
| (203) 722- | Wireless | Norwalk | New Cingular Wireless PCS - DC |
| (203) 723- | Landline | Naugatuck | Southern New England Telephone Co. |
| (203) 724- | Landline | Stamford | Choice One Communications |
| (203) 725- | Landline | Waterbury | Cox Connecticut Telecom |
| (203) 726- | Wireless | Bridgeport | Cellco Partnership DBA Verizon Wireless |
| (203) 727- | Wireless | Bridgeport | Sprint Spectrum L.p. |
| (203) 728- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 729- | Landline | Naugatuck | Southern New England Telephone Co. |
| (203) 730- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 731- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 732- | Landline | Ansonia | Southern New England Telephone Co. |
| (203) 733- | Wireless | Danbury | Cellco Partnership DBA Verizon Wireless |
| (203) 734- | Landline | Ansonia | Southern New England Telephone Co. |
| (203) 735- | Landline | Ansonia | Southern New England Telephone Co. |
| (203) 736- | Landline | Ansonia | Southern New England Telephone Co. |
| (203) 737- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 738- | Landline | Guilford | Choice One Communications |
| (203) 739- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 740- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 741- | Landline | Wallingford | Southern New England Telephone Co. |
| (203) 742- | Landline | Greenwich | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 743- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 744- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 745- | Landline | New Haven | Sbc Internet Services |
| (203) 746- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 747- | Landline | New Haven | Teleport Communications America |
| (203) 748- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 749- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 750- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 751- | Landline | Ansonia | Southern New England Telephone Co. |
| (203) 752- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 753- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 754- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 755- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 756- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 757- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 758- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 759- | Landline | Waterbury | Southern New England Telephone Co. |
| (203) 760- | Landline | Bridgeport | Peerless Network Of Connecticut |
| (203) 761- | Landline | Wilton | Southern New England Telephone Co. |
| (203) 762- | Landline | Wilton | Southern New England Telephone Co. |
| (203) 763- | Landline | Fairfield | Level 3 Communications |
| (203) 764- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 765- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 766- | Wireless | New Haven | American Messaging (am) |
| (203) 767- | Wireless | Bridgeport | Cellco Partnership DBA Verizon Wireless |
| (203) 768- | Wireless | Waterbury | Omnipoint Communications |
| (203) 769- | Landline | Greenwich | Verizon New York |
| (203) 770- | Landline | Danbury | New Cingular Wireless PCS - DC |
| (203) 771- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 772- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 773- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 774- | Landline | Wallingford | Choice One Communications |
| (203) 775- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 776- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 777- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 778- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 779- | Landline | Madison | Choice One Communications |
| (203) 780- | Wireless | Waterbury | Peerless Network Of Connecticut |
| (203) 781- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 782- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 783- | Landline | Milford | Southern New England Telephone Co. |
| (203) 784- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 785- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 786- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 787- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 788- | Wireless | Danbury | New Cingular Wireless PCS - DC |
| (203) 789- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 790- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 791- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 792- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 793- | Landline | Wallingford | Global Crossing Local Services-ct |
| (203) 794- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 795- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 796- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 797- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 798- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 799- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 800- | Wireless | New Haven | Sprint Spectrum L.p. |
| (203) 801- | Landline | New Canaan | Southern New England Telephone Co. |
| (203) 802- | Wireless | Waterbury | Metro PCS |
| (203) 803- | Wireless | Norwalk | Cellco Partnership DBA Verizon Wireless |
| (203) 804- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 805- | Landline | Waterbury | Teleport Communications America |
| (203) 806- | Landline | Cheshire | Teleport Communications America |
| (203) 807- | Wireless | Norwalk | New Cingular Wireless PCS - DC |
| (203) 808- | Wireless | Waterbury | Omnipoint Communications |
| (203) 809- | Wireless | New Haven | Omnipoint Communications |
| (203) 810- | Landline | Norwalk | Cablevision Lightpath |
| (203) 812- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 813- | Landline | Greenwich | Teleport Communications Group - NY |
| (203) 814- | Landline | Bridgeport | Cellco Partnership DBA Verizon Wireless |
| (203) 815- | Landline | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 816- | Landline | Trumbull | Global Crossing Local Services-ct |
| (203) 817- | Landline | Stamford | Cablevision Lightpath |
| (203) 818- | Landline | Norwalk | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 819- | Landline | Waterbury | New Cingular Wireless PCS - DC |
| (203) 820- | Wireless | Norwalk | Sprint Spectrum L.p. |
| (203) 821- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 822- | Landline | Norwalk | AT&T Local |
| (203) 823- | Landline | New Haven | Comcast Phone Of Connecticut |
| (203) 824- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 825- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 826- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 827- | Landline | Old Greenwich | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 828- | Landline | Seymour | Global Crossing Local Services-ct |
| (203) 829- | Wireless | Norwalk | Sprint Spectrum L.p. |
| (203) 830- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 831- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 832- | Wireless | Stamford | New Cingular Wireless PCS - DC |
| (203) 833- | Wireless | Norwalk | Usa Mobility Wireless |
| (203) 834- | Landline | Wilton | Southern New England Telephone Co. |
| (203) 835- | Wireless | Norwalk | Usa Mobility Wireless |
| (203) 836- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 837- | Landline | Danbury | Southern New England Telephone Co. |
| (203) 838- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 839- | Wireless | Norwalk | Usa Mobility Wireless |
| (203) 840- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 841- | Landline | Waterbury | Choice One Communications |
| (203) 842- | Landline | Stamford | Global Crossing Local Services-ct |
| (203) 843- | Landline | New Haven | AT&T Local |
| (203) 844- | Landline | Fairfield | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 845- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 846- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 847- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 848- | Landline | New Haven | Conversent Communications Of Connecticut |
| (203) 849- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 850- | Wireless | New Haven | Metro PCS |
| (203) 851- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 852- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 853- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 854- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 855- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 856- | Wireless | Norwalk | Cellco Partnership DBA Verizon Wireless |
| (203) 857- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 858- | Wireless | Norwalk | Cellco Partnership DBA Verizon Wireless |
| (203) 859- | Landline | New Haven | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 861- | Landline | Greenwich | Verizon New York |
| (203) 862- | Landline | Greenwich | Verizon New York |
| (203) 863- | Landline | Greenwich | Verizon New York |
| (203) 864- | Wireless | Bridgeport | Sprint Spectrum L.p. |
| (203) 865- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 866- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 867- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 868- | Landline | New Haven | AT&T Local |
| (203) 869- | Landline | Greenwich | Verizon New York |
| (203) 870- | Landline | Bridgeport | Cablevision Lightpath |
| (203) 871- | Landline | Branford | Teleport Communications America |
| (203) 872- | Landline | New Haven | AT&T Local |
| (203) 873- | Wireless | Bridgeport | New Cingular Wireless PCS - DC |
| (203) 874- | Landline | Milford | Southern New England Telephone Co. |
| (203) 875- | Landline | Darien | AT&T Local |
| (203) 876- | Landline | Milford | Southern New England Telephone Co. |
| (203) 877- | Landline | Milford | Southern New England Telephone Co. |
| (203) 878- | Landline | Milford | Southern New England Telephone Co. |
| (203) 879- | Landline | Wolcott | Southern New England Telephone Co. |
| (203) 880- | Landline | Trumbull | Teleport Communications America |
| (203) 881- | Landline | Seymour | Southern New England Telephone Co. |
| (203) 882- | Landline | Milford | Southern New England Telephone Co. |
| (203) 883- | Landline | Stamford | Level 3 Communications |
| (203) 884- | Landline | Guilford | Global Crossing Local Services-ct |
| (203) 885- | Wireless | Danbury | Cellco Partnership DBA Verizon Wireless |
| (203) 886- | Landline | Meriden | Choice One Communications |
| (203) 887- | Wireless | New Haven | Sprint Spectrum L.p. |
| (203) 888- | Landline | Seymour | Southern New England Telephone Co. |
| (203) 889- | Landline | New Haven | Global Crossing Local Services-ct |
| (203) 890- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 891- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 892- | Wireless | Bridgeport | Omnipoint Communications |
| (203) 893- | Wireless | Derby | Cellco Partnership DBA Verizon Wireless |
| (203) 894- | Landline | Ridgefield | Southern New England Telephone Co. |
| (203) 895- | Wireless | Trumbull | New Cingular Wireless PCS - DC |
| (203) 896- | Landline | Madison | Global Crossing Local Services-ct |
| (203) 897- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 898- | Landline | Darien | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 899- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 900- | Landline | Greenwich | Cablevision Lightpath |
| (203) 901- | Wireless | New Haven | Sprint Spectrum L.p. |
| (203) 902- | Landline | New Haven | Global Naps |
| (203) 903- | Landline | New Haven | Level 3 Communications |
| (203) 904- | Wireless | Norwalk | Sprint Spectrum L.p. |
| (203) 905- | Landline | Stamford | Teleport Communications America |
| (203) 906- | Wireless | Derby | Cellco Partnership DBA Verizon Wireless |
| (203) 907- | Landline | New Haven | Choice One Communications |
| (203) 908- | Wireless | Bridgeport | Omnipoint Communications |
| (203) 909- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 910- | Wireless | Waterbury | Cellco Partnership DBA Verizon Wireless |
| (203) 912- | Wireless | Stamford | Cellco Partnership DBA Verizon Wireless |
| (203) 913- | Wireless | Bridgeport | Cellco Partnership DBA Verizon Wireless |
| (203) 914- | Landline | Norwalk | Cablevision Lightpath |
| (203) 915- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 916- | Landline | Norwalk | Level 3 Communications |
| (203) 917- | Wireless | Danbury | Cellco Partnership DBA Verizon Wireless |
| (203) 918- | Wireless | Stamford | New Cingular Wireless PCS - DC |
| (203) 919- | Wireless | Norwalk | Omnipoint Communications |
| (203) 920- | Landline | Stamford | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 921- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 922- | Landline | Huntington | Southern New England Telephone Co. |
| (203) 923- | Landline | Bridgeport | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 924- | Landline | Huntington | Southern New England Telephone Co. |
| (203) 925- | Landline | Huntington | Southern New England Telephone Co. |
| (203) 926- | Landline | Huntington | Southern New England Telephone Co. |
| (203) 927- | Landline | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 928- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 929- | Landline | Huntington | Southern New England Telephone Co. |
| (203) 930- | Landline | Greenwich | Global Crossing Local Services-ct |
| (203) 931- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 932- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 933- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 934- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 935- | Landline | Meriden | Global Crossing Local Services-ct |
| (203) 936- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 937- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 938- | Landline | Redding | Southern New England Telephone Co. |
| (203) 939- | Landline | Norwalk | Cablevision Lightpath |
| (203) 940- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 941- | Landline | Seymour | Bandwidth.com Clec |
| (203) 942- | Landline | Danbury | Sprint Spectrum L.p. |
| (203) 943- | Wireless | Norwalk | Sprint Spectrum L.p. |
| (203) 944- | Landline | Huntington | Southern New England Telephone Co. |
| (203) 945- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 946- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 947- | Wireless | Danbury | New Cingular Wireless PCS - DC |
| (203) 948- | Wireless | Danbury | Sprint Spectrum L.p. |
| (203) 949- | Landline | Wallingford | Southern New England Telephone Co. |
| (203) 951- | Landline | Milford | Teleport Communications America |
| (203) 952- | Wireless | Norwalk | Sprint Spectrum L.p. |
| (203) 953- | Wireless | Bridgeport | Sprint Spectrum L.p. |
| (203) 954- | Landline | Derby | Choice One Communications |
| (203) 955- | Landline | Fairfield | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 956- | Landline | Norwalk | Cablevision Lightpath |
| (203) 957- | Landline | Norwalk | Cablevision Lightpath |
| (203) 960- | Landline | Stamford | Cablevision Lightpath |
| (203) 961- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 962- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 963- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 964- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 965- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 966- | Landline | New Canaan | Southern New England Telephone Co. |
| (203) 967- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 968- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 969- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 970- | Landline | Norwalk | Cablevision Lightpath |
| (203) 971- | Landline | Greenwich | Cablevision Lightpath |
| (203) 972- | Landline | New Canaan | Southern New England Telephone Co. |
| (203) 973- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 974- | Landline | New Haven | Teleport Communications America |
| (203) 975- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 977- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 978- | Landline | Stamford | Southern New England Telephone Co. |
| (203) 979- | Wireless | Stamford | New Cingular Wireless PCS - DC |
| (203) 980- | Wireless | New Haven | Cellco Partnership DBA Verizon Wireless |
| (203) 981- | Wireless | Norwalk | Sprint Spectrum L.p. |
| (203) 982- | Wireless | Waterbury | Sprint Spectrum L.p. |
| (203) 983- | Landline | Greenwich | Conversent Communications Of Connecticut |
| (203) 984- | Wireless | Norwalk | Cellco Partnership DBA Verizon Wireless |
| (203) 985- | Landline | New Haven | Southern New England Telephone Co. |
| (203) 986- | Landline | Old Greenwich | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 987- | Landline | Greenwich | Level 3 Communications |
| (203) 988- | Wireless | New Haven | New Cingular Wireless PCS - DC |
| (203) 989- | Landline | Norwalk | Level 3 Communications |
| (203) 990- | Landline | Old Greenwich | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 991- | Landline | Norwalk | Southern New England Telephone Co. |
| (203) 992- | Landline | Greenwich | Cablevision Lightpath |
| (203) 993- | Wireless | Bridgeport | Cellco Partnership DBA Verizon Wireless |
| (203) 994- | Wireless | Danbury | Sprint Spectrum L.p. |
| (203) 995- | Landline | Bridgeport | Brooks Fiber Communications Of Connecticut Inc-ct |
| (203) 996- | Wireless | New Haven | Sprint Spectrum L.p. |
| (203) 997- | Wireless | Derby | Omnipoint Communications |
| (203) 998- | Landline | Stamford | Level 3 Communications |
| (203) 999- | Wireless | New Haven | Sprint Spectrum L.p. |
This website provides information about country code, area code, details of numbering plan and tips for how-to-dial. This is your complete guide to call anywhere in the world. Simply find and click the country name you wish to call. You'll find instructions on how to call that country using its country code, as well as other helpful information like area codes, ISO country codes and so on.
