Area Code 631
NY - 729 exchanges found
About Area Code 631
This page displays all phone exchanges (NXX codes) associated with area code 631. Click on any 6-digit prefix to see detailed information about phone numbers in that range.
631
Phone Exchanges (NXX)
| Prefix | Exchange (NXX) | Rate Center | Carrier | Action |
|---|---|---|---|---|
| 631-200 | 200 | BAYPORT | Unknown | |
| 631-201 | 201 | AMITYVILLE | Unknown | |
| 631-202 | 202 | RONKONKOMA | Unknown | |
| 631-203 | 203 | CENTRAISLP | Unknown | |
| 631-204 | 204 | SOUTHAMPTN | Unknown | |
| 631-205 | 205 | YAPHANK | Unknown | |
| 631-206 | 206 | BAY SHORE | Unknown | |
| 631-207 | 207 | PATCHOGUE | Unknown | |
| 631-208 | 208 | RIVERHEAD | Unknown | |
| 631-209 | 209 | SHOREHAM | Unknown | |
| 631-210 | 210 | ISLIP | Unknown | |
| 631-212 | 212 | COMMACK | Unknown | |
| 631-213 | 213 | MIDLAND | 7140-TC SYSTEMS, INC. - NY | |
| 631-213 | 213 | MIDLAND | Unknown | |
| 631-214 | 214 | DEER PARK | Unknown | |
| 631-215 | 215 | BRENTWOOD | Unknown | |
| 631-219 | 219 | BRENTWOOD | Unknown | |
| 631-221 | 221 | NASSAUZN09 | 9104-VERIZON NEW YORK, INC. | |
| 631-221 | 221 | NASSAUZN09 | Unknown | |
| 631-223 | 223 | HUNTINGTON | Unknown | |
| 631-228 | 228 | SHOREHAM | Unknown | |
| 631-229 | 229 | AMITYVILLE | Unknown | |
| 631-230 | 230 | MONTAUK PT | Unknown | |
| 631-233 | 233 | BRENTWOOD | Unknown | |
| 631-235 | 235 | BRENTWOOD | Unknown | |
| 631-236 | 236 | BRENTWOOD | Unknown | |
| 631-237 | 237 | BRIDGEMPTN | 7126-CABLEVISION LIGHTPATH, INC. - NY | |
| 631-237 | 237 | BRIDGEMPTN | Unknown | |
| 631-238 | 238 | MONTAUK PT | 7126-CABLEVISION LIGHTPATH, INC. - NY | |
| 631-238 | 238 | MONTAUK PT | Unknown | |
| 631-239 | 239 | NORTHPORT | Unknown | |
| 631-240 | 240 | SMITHTOWN | Unknown | |
| 631-241 | 241 | BRENTWOOD | Unknown | |
| 631-245 | 245 | BRENTWOOD | Unknown | |
| 631-246 | 246 | STONYBROOK | Unknown | |
| 631-247 | 247 | FARMINGDL | 7140-TC SYSTEMS, INC. - NY | |
| 631-247 | 247 | FARMINGDL | Unknown | |
| 631-248 | 248 | E HAMPTON | Unknown | |
| 631-250 | 250 | ST JAMES | Unknown | |
| 631-251 | 251 | SAG HARBOR | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-251 | 251 | SAG HARBOR | Unknown | |
| 631-252 | 252 | BRENTWOOD | Unknown | |
| 631-253 | 253 | MIDLAND | Unknown | |
| 631-255 | 255 | RIVERHEAD | Unknown | |
| 631-256 | 256 | SAYVILLE | Unknown | |
| 631-257 | 257 | SMITHTOWN | Unknown | |
| 631-258 | 258 | BRENTWOOD | Unknown | |
| 631-259 | 259 | SOUTHAMPTN | Unknown | |
| 631-260 | 260 | BRENTWOOD | Unknown | |
| 631-264 | 264 | AMITYVILLE | 9104-VERIZON NEW YORK, INC. | |
| 631-264 | 264 | AMITYVILLE | Unknown | |
| 631-266 | 266 | W COMMACK | Unknown | |
| 631-267 | 267 | AMAGANSETT | Unknown | |
| 631-268 | 268 | SOUTHAMPTN | Unknown | |
| 631-269 | 269 | KINGS PARK | Unknown | |
| 631-270 | 270 | FARMINGDL | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-270 | 270 | FARMINGDL | Unknown | |
| 631-272 | 272 | CENTRAISLP | Unknown | |
| 631-274 | 274 | DEER PARK | 9104-VERIZON NEW YORK, INC. | |
| 631-274 | 274 | DEER PARK | Unknown | |
| 631-275 | 275 | BRENTWOOD | Unknown | |
| 631-276 | 276 | HAMPTNBAYS | Unknown | |
| 631-278 | 278 | BRENTWOOD | Unknown | |
| 631-282 | 282 | YAPHANK | Unknown | |
| 631-284 | 284 | RIVERHEAD | Unknown | |
| 631-285 | 285 | RONKONKOMA | Unknown | |
| 631-290 | 290 | BABYLON | Unknown | |
| 631-291 | 291 | BRENTWOOD | Unknown | |
| 631-292 | 292 | KINGS PARK | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-292 | 292 | KINGS PARK | Unknown | |
| 631-293 | 293 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-293 | 293 | FARMINGDL | Unknown | |
| 631-294 | 294 | YAPHANK | Unknown | |
| 631-295 | 295 | YAPHANK | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-295 | 295 | YAPHANK | Unknown | |
| 631-296 | 296 | BRIDGEMPTN | Unknown | |
| 631-297 | 297 | CENTRAISLP | Unknown | |
| 631-298 | 298 | MATTITUCK | Unknown | |
| 631-299 | 299 | BRENTWOOD | Unknown | |
| 631-300 | 300 | BRENTWOOD | Unknown | |
| 631-301 | 301 | FARMINGDL | 073H-TELNYX LLC | |
| 631-301 | 301 | FARMINGDL | Unknown | |
| 631-302 | 302 | E FIRE IS | 384C-ONVOY, LLC- NY | |
| 631-302 | 302 | E FIRE IS | Unknown | |
| 631-303 | 303 | AMITYVILLE | Unknown | |
| 631-304 | 304 | BRENTWOOD | Unknown | |
| 631-305 | 305 | BRENTWOOD | Unknown | |
| 631-306 | 306 | DEER PARK | Unknown | |
| 631-307 | 307 | PATCHOGUE | Unknown | |
| 631-308 | 308 | BRENTWOOD | Unknown | |
| 631-309 | 309 | AMITYVILLE | Unknown | |
| 631-310 | 310 | PATCHOGUE | Unknown | |
| 631-312 | 312 | PATCHOGUE | Unknown | |
| 631-313 | 313 | ISLIP | Unknown | |
| 631-314 | 314 | BABYLON | Unknown | |
| 631-315 | 315 | MATTITUCK | Unknown | |
| 631-316 | 316 | BRENTWOOD | Unknown | |
| 631-317 | 317 | PATCHOGUE | Unknown | |
| 631-318 | 318 | AMAGANSETT | Unknown | |
| 631-319 | 319 | SAYVILLE | Unknown | |
| 631-320 | 320 | SELDEN | Unknown | |
| 631-323 | 323 | ORIENT | 9104-VERIZON NEW YORK, INC. | |
| 631-323 | 323 | ORIENT | Unknown | |
| 631-325 | 325 | EASTPORT | 9104-VERIZON NEW YORK, INC. | |
| 631-325 | 325 | EASTPORT | Unknown | |
| 631-326 | 326 | COMMACK | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-326 | 326 | COMMACK | Unknown | |
| 631-327 | 327 | HUNTINGTON | Unknown | |
| 631-328 | 328 | BAY SHORE | Unknown | |
| 631-330 | 330 | FARMINGDL | Unknown | |
| 631-332 | 332 | BRENTWOOD | Unknown | |
| 631-333 | 333 | GREENPORT | Unknown | |
| 631-334 | 334 | CENTRAISLP | Unknown | |
| 631-335 | 335 | BRENTWOOD | Unknown | |
| 631-336 | 336 | BRENTWOOD | Unknown | |
| 631-337 | 337 | SAYVILLE | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-337 | 337 | SAYVILLE | Unknown | |
| 631-338 | 338 | BRENTWOOD | Unknown | |
| 631-339 | 339 | BRENTWOOD | Unknown | |
| 631-341 | 341 | YAPHANK | Unknown | |
| 631-342 | 342 | CENTRAISLP | 9104-VERIZON NEW YORK, INC. | |
| 631-342 | 342 | CENTRAISLP | Unknown | |
| 631-343 | 343 | COMMACK | Unknown | |
| 631-345 | 345 | YAPHANK | Unknown | |
| 631-346 | 346 | SELDEN | Unknown | |
| 631-347 | 347 | BRENTWOOD | Unknown | |
| 631-349 | 349 | ORIENT | 384C-ONVOY, LLC- NY | |
| 631-349 | 349 | ORIENT | Unknown | |
| 631-350 | 350 | HUNTINGTON | Unknown | |
| 631-352 | 352 | SMITHTOWN | Unknown | |
| 631-353 | 353 | SOUTHAMPTN | Unknown | |
| 631-354 | 354 | MATTITUCK | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-354 | 354 | MATTITUCK | Unknown | |
| 631-355 | 355 | BRENTWOOD | Unknown | |
| 631-356 | 356 | BRENTWOOD | Unknown | |
| 631-357 | 357 | BRENTWOOD | Unknown | |
| 631-358 | 358 | BABYLON | Unknown | |
| 631-359 | 359 | WADING RIV | Unknown | |
| 631-361 | 361 | SMITHTOWN | Unknown | |
| 631-363 | 363 | BAYPORT | Unknown | |
| 631-364 | 364 | STONYBROOK | Unknown | |
| 631-365 | 365 | BRENTWOOD | Unknown | |
| 631-366 | 366 | SMITHTOWN | Unknown | |
| 631-370 | 370 | FARMINGDL | 7140-TC SYSTEMS, INC. - NY | |
| 631-370 | 370 | FARMINGDL | Unknown | |
| 631-371 | 371 | STONYBROOK | Unknown | |
| 631-372 | 372 | BRENTWOOD | Unknown | |
| 631-376 | 376 | BABYLON | 9104-VERIZON NEW YORK, INC. | |
| 631-376 | 376 | BABYLON | Unknown | |
| 631-377 | 377 | SOUTHAMPTN | Unknown | |
| 631-378 | 378 | SHOREHAM | Unknown | |
| 631-380 | 380 | STONYBROOK | Unknown | |
| 631-381 | 381 | RIVERHEAD | Unknown | |
| 631-382 | 382 | SMITHTOWN | Unknown | |
| 631-383 | 383 | BAY SHORE | Unknown | |
| 631-384 | 384 | SELDEN | Unknown | |
| 631-386 | 386 | FARMINGDL | 829J-PAETEC ITEL, LLC | |
| 631-386 | 386 | FARMINGDL | Unknown | |
| 631-387 | 387 | COMMACK | 7140-TC SYSTEMS, INC. - NY | |
| 631-387 | 387 | COMMACK | Unknown | |
| 631-388 | 388 | BRENTWOOD | Unknown | |
| 631-389 | 389 | RONKONKOMA | Unknown | |
| 631-391 | 391 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-391 | 391 | FARMINGDL | Unknown | |
| 631-392 | 392 | DEER PARK | Unknown | |
| 631-394 | 394 | YAPHANK | Unknown | |
| 631-397 | 397 | AMITYVILLE | 997E-BANDWIDTH.COM CLEC, LLC - NY | |
| 631-397 | 397 | AMITYVILLE | Unknown | |
| 631-399 | 399 | ATLANTIC | 9104-VERIZON NEW YORK, INC. | |
| 631-399 | 399 | ATLANTIC | Unknown | |
| 631-400 | 400 | CTRMORICHS | Unknown | |
| 631-401 | 401 | BRENTWOOD | Unknown | |
| 631-402 | 402 | BRENTWOOD | Unknown | |
| 631-403 | 403 | PTJEFFERSN | Unknown | |
| 631-404 | 404 | BRENTWOOD | Unknown | |
| 631-405 | 405 | RIVERHEAD | Unknown | |
| 631-406 | 406 | SMITHTOWN | Unknown | |
| 631-407 | 407 | SOUTHOLD | Unknown | |
| 631-408 | 408 | AMITYVILLE | Unknown | |
| 631-409 | 409 | NASSAUZN09 | 9104-VERIZON NEW YORK, INC. | |
| 631-409 | 409 | NASSAUZN09 | Unknown | |
| 631-410 | 410 | COMMACK | Unknown | |
| 631-412 | 412 | LINDENHST | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-412 | 412 | LINDENHST | Unknown | |
| 631-413 | 413 | SELDEN | Unknown | |
| 631-414 | 414 | FARMINGDL | 7126-CABLEVISION LIGHTPATH, INC. - NY | |
| 631-414 | 414 | FARMINGDL | Unknown | |
| 631-415 | 415 | CENTRAISLP | Unknown | |
| 631-416 | 416 | BRENTWOOD | Unknown | |
| 631-417 | 417 | BABYLON | Unknown | |
| 631-418 | 418 | HUNTINGTON | Unknown | |
| 631-419 | 419 | BAYPORT | Unknown | |
| 631-420 | 420 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-420 | 420 | FARMINGDL | Unknown | |
| 631-426 | 426 | AMITYVILLE | 6622-OMNIPOINT COMMUNICATIONS, INC. - NY | |
| 631-426 | 426 | AMITYVILLE | Unknown | |
| 631-429 | 429 | LINDENHST | Unknown | |
| 631-430 | 430 | GREENPORT | Unknown | |
| 631-431 | 431 | CENTRAISLP | 6622-OMNIPOINT COMMUNICATIONS, INC. - NY | |
| 631-431 | 431 | CENTRAISLP | Unknown | |
| 631-432 | 432 | BRENTWOOD | Unknown | |
| 631-433 | 433 | BRENTWOOD | Unknown | |
| 631-434 | 434 | BRENTWOOD | Unknown | |
| 631-435 | 435 | BRENTWOOD | Unknown | |
| 631-436 | 436 | BRENTWOOD | Unknown | |
| 631-437 | 437 | FIREISLAND | Unknown | |
| 631-438 | 438 | PATCHOGUE | Unknown | |
| 631-440 | 440 | FIREISLAND | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-440 | 440 | FIREISLAND | Unknown | |
| 631-443 | 443 | EASTPORT | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-443 | 443 | EASTPORT | Unknown | |
| 631-445 | 445 | BRENTWOOD | Unknown | |
| 631-446 | 446 | ISLIP | Unknown | |
| 631-448 | 448 | YAPHANK | Unknown | |
| 631-449 | 449 | BRENTWOOD | Unknown | |
| 631-450 | 450 | LINDENHST | Unknown | |
| 631-452 | 452 | CENTRAISLP | Unknown | |
| 631-454 | 454 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-454 | 454 | FARMINGDL | Unknown | |
| 631-456 | 456 | BRENTWOOD | Unknown | |
| 631-457 | 457 | BRENTWOOD | Unknown | |
| 631-458 | 458 | SAG HARBOR | Unknown | |
| 631-459 | 459 | BRENTWOOD | Unknown | |
| 631-460 | 460 | KINGS PARK | Unknown | |
| 631-461 | 461 | RIVERHEAD | Unknown | |
| 631-463 | 463 | CENTRAISLP | Unknown | |
| 631-464 | 464 | AMITYVILLE | Unknown | |
| 631-466 | 466 | RIVERHEAD | Unknown | |
| 631-468 | 468 | RONKONKOMA | Unknown | |
| 631-469 | 469 | BRENTWOOD | Unknown | |
| 631-477 | 477 | GREENPORT | Unknown | |
| 631-478 | 478 | BRENTWOOD | Unknown | |
| 631-479 | 479 | HUNTINGTON | Unknown | |
| 631-480 | 480 | AMITYVILLE | Unknown | |
| 631-481 | 481 | ISLIP | Unknown | |
| 631-482 | 482 | BABYLON | Unknown | |
| 631-483 | 483 | MONTAUK PT | Unknown | |
| 631-484 | 484 | BRENTWOOD | Unknown | |
| 631-485 | 485 | MIDLAND | Unknown | |
| 631-486 | 486 | W COMMACK | Unknown | |
| 631-487 | 487 | BRENTWOOD | Unknown | |
| 631-488 | 488 | SOUTHAMPTN | Unknown | |
| 631-489 | 489 | W COMMACK | Unknown | |
| 631-490 | 490 | ATLANTIC | Unknown | |
| 631-491 | 491 | MIDLAND | Unknown | |
| 631-492 | 492 | DEER PARK | Unknown | |
| 631-493 | 493 | W COMMACK | Unknown | |
| 631-494 | 494 | RIVERHEAD | Unknown | |
| 631-496 | 496 | SELDEN | Unknown | |
| 631-497 | 497 | HUNTINGTON | 384C-ONVOY, LLC- NY | |
| 631-497 | 497 | HUNTINGTON | Unknown | |
| 631-498 | 498 | COLDSPGHBR | Unknown | |
| 631-500 | 500 | WATER MILL | Unknown | |
| 631-501 | 501 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-501 | 501 | FARMINGDL | Unknown | |
| 631-502 | 502 | JAMESPORT | 473G-TELENGY L.L.C. - NY | |
| 631-502 | 502 | JAMESPORT | Unknown | |
| 631-503 | 503 | CTRMORICHS | Unknown | |
| 631-504 | 504 | YAPHANK | Unknown | |
| 631-505 | 505 | LINDENHST | Unknown | |
| 631-506 | 506 | RIVERHEAD | Unknown | |
| 631-507 | 507 | AMITYVILLE | Unknown | |
| 631-508 | 508 | RIVERHEAD | Unknown | |
| 631-509 | 509 | PTJEFFERSN | Unknown | |
| 631-510 | 510 | MIDLAND | Unknown | |
| 631-512 | 512 | SELDEN | Unknown | |
| 631-513 | 513 | BRENTWOOD | Unknown | |
| 631-514 | 514 | BRENTWOOD | Unknown | |
| 631-515 | 515 | SHELTER IS | Unknown | |
| 631-516 | 516 | SELDEN | 384C-ONVOY, LLC- NY | |
| 631-516 | 516 | SELDEN | Unknown | |
| 631-517 | 517 | BABYLON | Unknown | |
| 631-518 | 518 | BAY SHORE | Unknown | |
| 631-519 | 519 | E FIRE IS | 155E-PEERLESS NETWORK OF NEW YORK, LLC - NY | |
| 631-519 | 519 | E FIRE IS | Unknown | |
| 631-520 | 520 | AMITYVILLE | Unknown | |
| 631-521 | 521 | BRENTWOOD | Unknown | |
| 631-522 | 522 | DEER PARK | Unknown | |
| 631-523 | 523 | CENTRAISLP | Unknown | |
| 631-524 | 524 | BRENTWOOD | Unknown | |
| 631-525 | 525 | BRENTWOOD | Unknown | |
| 631-526 | 526 | BABYLON | Unknown | |
| 631-527 | 527 | E HAMPTON | Unknown | |
| 631-528 | 528 | KINGS PARK | Unknown | |
| 631-529 | 529 | ORIENT | Unknown | |
| 631-530 | 530 | AMITYVILLE | Unknown | |
| 631-531 | 531 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-531 | 531 | FARMINGDL | Unknown | |
| 631-532 | 532 | AMITYVILLE | Unknown | |
| 631-533 | 533 | CENTRAISLP | Unknown | |
| 631-534 | 534 | COLDSPGHBR | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-534 | 534 | COLDSPGHBR | Unknown | |
| 631-535 | 535 | PTJEFFERSN | 155E-PEERLESS NETWORK OF NEW YORK, LLC - NY | |
| 631-535 | 535 | PTJEFFERSN | Unknown | |
| 631-536 | 536 | EASTPORT | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-536 | 536 | EASTPORT | Unknown | |
| 631-538 | 538 | SELDEN | Unknown | |
| 631-539 | 539 | BABYLON | Unknown | |
| 631-540 | 540 | MATTITUCK | 384C-ONVOY, LLC- NY | |
| 631-540 | 540 | MATTITUCK | Unknown | |
| 631-541 | 541 | NASSAUZN09 | 9104-VERIZON NEW YORK, INC. | |
| 631-541 | 541 | NASSAUZN09 | Unknown | |
| 631-542 | 542 | RONKONKOMA | Unknown | |
| 631-544 | 544 | KINGS PARK | 9104-VERIZON NEW YORK, INC. | |
| 631-544 | 544 | KINGS PARK | Unknown | |
| 631-545 | 545 | AMITYVILLE | Unknown | |
| 631-546 | 546 | HUNTINGTON | Unknown | |
| 631-547 | 547 | HUNTINGTON | Unknown | |
| 631-548 | 548 | RIVERHEAD | Unknown | |
| 631-550 | 550 | YAPHANK | Unknown | |
| 631-551 | 551 | ST JAMES | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-551 | 551 | ST JAMES | Unknown | |
| 631-552 | 552 | AMITYVILLE | Unknown | |
| 631-557 | 557 | AMAGANSETT | Unknown | |
| 631-559 | 559 | BRENTWOOD | Unknown | |
| 631-560 | 560 | BRENTWOOD | Unknown | |
| 631-561 | 561 | SELDEN | Unknown | |
| 631-562 | 562 | PATCHOGUE | Unknown | |
| 631-565 | 565 | AMITYVILLE | 6622-OMNIPOINT COMMUNICATIONS, INC. - NY | |
| 631-565 | 565 | AMITYVILLE | Unknown | |
| 631-566 | 566 | RIVERHEAD | Unknown | |
| 631-568 | 568 | AMITYVILLE | Unknown | |
| 631-569 | 569 | PATCHOGUE | Unknown | |
| 631-570 | 570 | FIREISLAND | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-570 | 570 | FIREISLAND | Unknown | |
| 631-571 | 571 | ORIENT | 155E-PEERLESS NETWORK OF NEW YORK, LLC - NY | |
| 631-571 | 571 | ORIENT | Unknown | |
| 631-572 | 572 | BABYLON | Unknown | |
| 631-573 | 573 | SAYVILLE | Unknown | |
| 631-574 | 574 | RIVERHEAD | Unknown | |
| 631-575 | 575 | BRENTWOOD | Unknown | |
| 631-576 | 576 | PATCHOGUE | Unknown | |
| 631-577 | 577 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-577 | 577 | FARMINGDL | Unknown | |
| 631-578 | 578 | YAPHANK | Unknown | |
| 631-579 | 579 | BRENTWOOD | Unknown | |
| 631-583 | 583 | FIREISLAND | 9104-VERIZON NEW YORK, INC. | |
| 631-583 | 583 | FIREISLAND | Unknown | |
| 631-584 | 584 | ST JAMES | Unknown | |
| 631-590 | 590 | RONKONKOMA | Unknown | |
| 631-591 | 591 | RIVERHEAD | Unknown | |
| 631-593 | 593 | GREENPORT | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-593 | 593 | GREENPORT | Unknown | |
| 631-594 | 594 | HAMPTNBAYS | Unknown | |
| 631-595 | 595 | DEER PARK | Unknown | |
| 631-596 | 596 | QUOGUE | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-596 | 596 | QUOGUE | Unknown | |
| 631-597 | 597 | E FIRE IS | 9104-VERIZON NEW YORK, INC. | |
| 631-597 | 597 | E FIRE IS | Unknown | |
| 631-598 | 598 | AMITYVILLE | 9104-VERIZON NEW YORK, INC. | |
| 631-598 | 598 | AMITYVILLE | Unknown | |
| 631-599 | 599 | RIVERHEAD | Unknown | |
| 631-600 | 600 | W COMMACK | Unknown | |
| 631-601 | 601 | BRENTWOOD | Unknown | |
| 631-602 | 602 | SHELTER IS | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-602 | 602 | SHELTER IS | Unknown | |
| 631-603 | 603 | RIVERHEAD | Unknown | |
| 631-604 | 604 | E HAMPTON | Unknown | |
| 631-605 | 605 | PATCHOGUE | Unknown | |
| 631-606 | 606 | NORTHPORT | Unknown | |
| 631-607 | 607 | WADING RIV | 7140-TC SYSTEMS, INC. - NY | |
| 631-607 | 607 | WADING RIV | Unknown | |
| 631-609 | 609 | BRENTWOOD | Unknown | |
| 631-610 | 610 | EASTPORT | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-610 | 610 | EASTPORT | Unknown | |
| 631-612 | 612 | BABYLON | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-612 | 612 | BABYLON | Unknown | |
| 631-613 | 613 | BRIDGEMPTN | 384C-ONVOY, LLC- NY | |
| 631-613 | 613 | BRIDGEMPTN | Unknown | |
| 631-615 | 615 | RONKONKOMA | Unknown | |
| 631-616 | 616 | PECONIC | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-616 | 616 | PECONIC | Unknown | |
| 631-617 | 617 | BRENTWOOD | Unknown | |
| 631-618 | 618 | YAPHANK | Unknown | |
| 631-619 | 619 | RONKONKOMA | Unknown | |
| 631-620 | 620 | BABYLON | Unknown | |
| 631-621 | 621 | ST JAMES | Unknown | |
| 631-623 | 623 | W COMMACK | Unknown | |
| 631-624 | 624 | BRENTWOOD | Unknown | |
| 631-625 | 625 | ORIENT | 384C-ONVOY, LLC- NY | |
| 631-625 | 625 | ORIENT | Unknown | |
| 631-626 | 626 | BRENTWOOD | Unknown | |
| 631-627 | 627 | PATCHOGUE | Unknown | |
| 631-628 | 628 | NORTHPORT | Unknown | |
| 631-629 | 629 | HUNTINGTON | Unknown | |
| 631-631 | 631 | FIREISLAND | Unknown | |
| 631-632 | 632 | STONYBROOK | Unknown | |
| 631-633 | 633 | BELLPORT | Unknown | |
| 631-634 | 634 | COMMACK | Unknown | |
| 631-635 | 635 | BABYLON | Unknown | |
| 631-635 | 635 | N/A | 7126-CABLEVISION LIGHTPATH, INC. - NY | |
| 631-636 | 636 | BRENTWOOD | Unknown | |
| 631-637 | 637 | BRENTWOOD | Unknown | |
| 631-638 | 638 | STONYBROOK | Unknown | |
| 631-639 | 639 | BRENTWOOD | Unknown | |
| 631-640 | 640 | AMITYVILLE | Unknown | |
| 631-641 | 641 | WATER MILL | 997E-BANDWIDTH.COM CLEC, LLC - NY | |
| 631-641 | 641 | WATER MILL | Unknown | |
| 631-642 | 642 | PTJEFFERSN | Unknown | |
| 631-644 | 644 | RIVERHEAD | Unknown | |
| 631-646 | 646 | SAYVILLE | 384C-ONVOY, LLC- NY | |
| 631-646 | 646 | SAYVILLE | Unknown | |
| 631-647 | 647 | BAY SHORE | Unknown | |
| 631-648 | 648 | RONKONKOMA | Unknown | |
| 631-649 | 649 | BABYLON | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-649 | 649 | BABYLON | Unknown | |
| 631-651 | 651 | NORTHPORT | Unknown | |
| 631-652 | 652 | SMITHTOWN | Unknown | |
| 631-653 | 653 | QUOGUE | Unknown | |
| 631-655 | 655 | RIVERHEAD | Unknown | |
| 631-656 | 656 | SMITHTOWN | Unknown | |
| 631-657 | 657 | ATLANTIC | Unknown | |
| 631-658 | 658 | E HAMPTON | Unknown | |
| 631-659 | 659 | COLDSPGHBR | Unknown | |
| 631-660 | 660 | RIVERHEAD | Unknown | |
| 631-662 | 662 | HUNTINGTON | Unknown | |
| 631-663 | 663 | KINGS PARK | Unknown | |
| 631-664 | 664 | CENTRAISLP | Unknown | |
| 631-668 | 668 | MONTAUK PT | Unknown | |
| 631-670 | 670 | COMMACK | Unknown | |
| 631-671 | 671 | LINDENHST | Unknown | |
| 631-672 | 672 | SMITHTOWN | Unknown | |
| 631-674 | 674 | MIDLAND | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-674 | 674 | MIDLAND | Unknown | |
| 631-676 | 676 | RONKONKOMA | Unknown | |
| 631-677 | 677 | SAYVILLE | Unknown | |
| 631-678 | 678 | BRENTWOOD | Unknown | |
| 631-679 | 679 | NASSAUZN09 | 9104-VERIZON NEW YORK, INC. | |
| 631-679 | 679 | NASSAUZN09 | Unknown | |
| 631-681 | 681 | SELDEN | Unknown | |
| 631-683 | 683 | HUNTINGTON | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-683 | 683 | HUNTINGTON | Unknown | |
| 631-684 | 684 | WESTHAMPTN | 155E-PEERLESS NETWORK OF NEW YORK, LLC - NY | |
| 631-684 | 684 | WESTHAMPTN | Unknown | |
| 631-685 | 685 | HAMPTNBAYS | 384C-ONVOY, LLC- NY | |
| 631-685 | 685 | HAMPTNBAYS | Unknown | |
| 631-686 | 686 | ST JAMES | Unknown | |
| 631-687 | 687 | PATCHOGUE | Unknown | |
| 631-688 | 688 | FARMINGDL | 7140-TC SYSTEMS, INC. - NY | |
| 631-688 | 688 | FARMINGDL | Unknown | |
| 631-690 | 690 | PATCHOGUE | Unknown | |
| 631-691 | 691 | AMITYVILLE | 9104-VERIZON NEW YORK, INC. | |
| 631-691 | 691 | AMITYVILLE | Unknown | |
| 631-693 | 693 | AMITYVILLE | 7140-TC SYSTEMS, INC. - NY | |
| 631-693 | 693 | AMITYVILLE | Unknown | |
| 631-699 | 699 | SAYVILLE | Unknown | |
| 631-701 | 701 | EASTPORT | 7140-TC SYSTEMS, INC. - NY | |
| 631-701 | 701 | EASTPORT | Unknown | |
| 631-702 | 702 | SOUTHAMPTN | Unknown | |
| 631-703 | 703 | AMITYVILLE | Unknown | |
| 631-704 | 704 | BRENTWOOD | Unknown | |
| 631-705 | 705 | ATLANTIC | Unknown | |
| 631-706 | 706 | STONYBROOK | Unknown | |
| 631-707 | 707 | BRENTWOOD | Unknown | |
| 631-708 | 708 | BRENTWOOD | Unknown | |
| 631-709 | 709 | WATER MILL | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-709 | 709 | WATER MILL | Unknown | |
| 631-710 | 710 | RONKONKOMA | Unknown | |
| 631-712 | 712 | FARMINGDL | 7140-TC SYSTEMS, INC. - NY | |
| 631-712 | 712 | FARMINGDL | Unknown | |
| 631-714 | 714 | PATCHOGUE | Unknown | |
| 631-715 | 715 | CENTRAISLP | 7140-TC SYSTEMS, INC. - NY | |
| 631-715 | 715 | CENTRAISLP | Unknown | |
| 631-716 | 716 | SELDEN | Unknown | |
| 631-717 | 717 | BAYPORT | Unknown | |
| 631-718 | 718 | RONKONKOMA | 5562-METROPCS, INC. | |
| 631-718 | 718 | RONKONKOMA | Unknown | |
| 631-720 | 720 | BRENTWOOD | Unknown | |
| 631-721 | 721 | SELDEN | Unknown | |
| 631-722 | 722 | JAMESPORT | 9104-VERIZON NEW YORK, INC. | |
| 631-722 | 722 | JAMESPORT | Unknown | |
| 631-723 | 723 | HAMPTNBAYS | Unknown | |
| 631-726 | 726 | WATER MILL | 9104-VERIZON NEW YORK, INC. | |
| 631-726 | 726 | WATER MILL | Unknown | |
| 631-729 | 729 | ATLANTIC | Unknown | |
| 631-730 | 730 | PATCHOGUE | Unknown | |
| 631-730 | 730 | N/A | 7126-CABLEVISION LIGHTPATH, INC. - NY | |
| 631-731 | 731 | AMAGANSETT | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-731 | 731 | AMAGANSETT | Unknown | |
| 631-734 | 734 | PECONIC | 9104-VERIZON NEW YORK, INC. | |
| 631-734 | 734 | PECONIC | Unknown | |
| 631-735 | 735 | PECONIC | 155E-PEERLESS NETWORK OF NEW YORK, LLC - NY | |
| 631-735 | 735 | PECONIC | Unknown | |
| 631-739 | 739 | RONKONKOMA | Unknown | |
| 631-740 | 740 | RIVERHEAD | Unknown | |
| 631-741 | 741 | BRENTWOOD | Unknown | |
| 631-742 | 742 | HUNTINGTON | Unknown | |
| 631-743 | 743 | PTJEFFERSN | Unknown | |
| 631-746 | 746 | AMITYVILLE | Unknown | |
| 631-747 | 747 | BRENTWOOD | Unknown | |
| 631-749 | 749 | SHELTER IS | 9104-VERIZON NEW YORK, INC. | |
| 631-749 | 749 | SHELTER IS | Unknown | |
| 631-750 | 750 | SAYVILLE | Unknown | |
| 631-752 | 752 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-752 | 752 | FARMINGDL | Unknown | |
| 631-753 | 753 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-753 | 753 | FARMINGDL | Unknown | |
| 631-756 | 756 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-756 | 756 | FARMINGDL | Unknown | |
| 631-759 | 759 | HUNTINGTON | Unknown | |
| 631-760 | 760 | HUNTINGTON | Unknown | |
| 631-762 | 762 | STONYBROOK | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-762 | 762 | STONYBROOK | Unknown | |
| 631-763 | 763 | COLDSPGHBR | Unknown | |
| 631-764 | 764 | SELDEN | Unknown | |
| 631-765 | 765 | SOUTHOLD | Unknown | |
| 631-767 | 767 | BRENTWOOD | Unknown | |
| 631-768 | 768 | FARMINGDL | 829J-PAETEC ITEL, LLC | |
| 631-768 | 768 | FARMINGDL | Unknown | |
| 631-769 | 769 | SHOREHAM | Unknown | |
| 631-770 | 770 | FARMINGDL | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-770 | 770 | FARMINGDL | Unknown | |
| 631-771 | 771 | E HAMPTON | Unknown | |
| 631-772 | 772 | ATLANTIC | Unknown | |
| 631-773 | 773 | FARMINGDL | Unknown | |
| 631-774 | 774 | BRENTWOOD | Unknown | |
| 631-776 | 776 | BELLPORT | Unknown | |
| 631-777 | 777 | FARMINGDL | Unknown | |
| 631-778 | 778 | CENTRAISLP | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-778 | 778 | CENTRAISLP | Unknown | |
| 631-779 | 779 | JAMESPORT | Unknown | |
| 631-780 | 780 | SMITHTOWN | Unknown | |
| 631-781 | 781 | NASSAUZN09 | 9104-VERIZON NEW YORK, INC. | |
| 631-781 | 781 | NASSAUZN09 | Unknown | |
| 631-782 | 782 | DEER PARK | Unknown | |
| 631-783 | 783 | NASSAUZN09 | 9104-VERIZON NEW YORK, INC. | |
| 631-783 | 783 | NASSAUZN09 | Unknown | |
| 631-784 | 784 | CENTRAISLP | Unknown | |
| 631-785 | 785 | NASSAUZN09 | 9104-VERIZON NEW YORK, INC. | |
| 631-785 | 785 | NASSAUZN09 | Unknown | |
| 631-787 | 787 | CENTRAISLP | Unknown | |
| 631-791 | 791 | PTJEFFERSN | Unknown | |
| 631-792 | 792 | BABYLON | Unknown | |
| 631-795 | 795 | NASSAUZN09 | 9104-VERIZON NEW YORK, INC. | |
| 631-795 | 795 | NASSAUZN09 | Unknown | |
| 631-796 | 796 | BRENTWOOD | Unknown | |
| 631-797 | 797 | NASSAUZN09 | 9104-VERIZON NEW YORK, INC. | |
| 631-797 | 797 | NASSAUZN09 | Unknown | |
| 631-798 | 798 | NASSAUZN09 | 9104-VERIZON NEW YORK, INC. | |
| 631-798 | 798 | NASSAUZN09 | Unknown | |
| 631-799 | 799 | NASSAUZN09 | 9104-VERIZON NEW YORK, INC. | |
| 631-799 | 799 | NASSAUZN09 | Unknown | |
| 631-800 | 800 | SOUTHAMPTN | Unknown | |
| 631-801 | 801 | EASTPORT | Unknown | |
| 631-802 | 802 | PTJEFFERSN | 829J-PAETEC ITEL, LLC | |
| 631-802 | 802 | PTJEFFERSN | Unknown | |
| 631-803 | 803 | BELLPORT | 7126-CABLEVISION LIGHTPATH, INC. - NY | |
| 631-803 | 803 | BELLPORT | Unknown | |
| 631-808 | 808 | SAG HARBOR | 508J-CENTURYLINK COMMUNICATIONS, LLC | |
| 631-808 | 808 | SAG HARBOR | Unknown | |
| 631-809 | 809 | DEER PARK | Unknown | |
| 631-810 | 810 | LINDENHST | Unknown | |
| 631-812 | 812 | HUNTINGTON | Unknown | |
| 631-813 | 813 | BRENTWOOD | Unknown | |
| 631-814 | 814 | BABYLON | Unknown | |
| 631-815 | 815 | FARMINGDL | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-815 | 815 | FARMINGDL | Unknown | |
| 631-816 | 816 | YAPHANK | Unknown | |
| 631-817 | 817 | FIREISLAND | 384C-ONVOY, LLC- NY | |
| 631-817 | 817 | FIREISLAND | Unknown | |
| 631-818 | 818 | BABYLON | Unknown | |
| 631-819 | 819 | BAY SHORE | Unknown | |
| 631-820 | 820 | RONKONKOMA | Unknown | |
| 631-822 | 822 | CENTRAISLP | Unknown | |
| 631-823 | 823 | BAYPORT | 7140-TC SYSTEMS, INC. - NY | |
| 631-823 | 823 | BAYPORT | Unknown | |
| 631-824 | 824 | HUNTINGTON | Unknown | |
| 631-825 | 825 | MONTAUK PT | Unknown | |
| 631-826 | 826 | NASSAUZN09 | 9104-VERIZON NEW YORK, INC. | |
| 631-826 | 826 | NASSAUZN09 | Unknown | |
| 631-828 | 828 | PTJEFFERSN | Unknown | |
| 631-829 | 829 | AMITYVILLE | Unknown | |
| 631-830 | 830 | RIVERHEAD | Unknown | |
| 631-831 | 831 | BRENTWOOD | Unknown | |
| 631-832 | 832 | BAYPORT | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-832 | 832 | BAYPORT | Unknown | |
| 631-833 | 833 | RIVERHEAD | Unknown | |
| 631-837 | 837 | NORTHPORT | Unknown | |
| 631-840 | 840 | ISLIP | Unknown | |
| 631-841 | 841 | AMITYVILLE | Unknown | |
| 631-843 | 843 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-843 | 843 | FARMINGDL | Unknown | |
| 631-844 | 844 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-844 | 844 | FARMINGDL | Unknown | |
| 631-845 | 845 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-845 | 845 | FARMINGDL | Unknown | |
| 631-846 | 846 | SELDEN | Unknown | |
| 631-847 | 847 | FARMINGDL | 9104-VERIZON NEW YORK, INC. | |
| 631-847 | 847 | FARMINGDL | Unknown | |
| 631-848 | 848 | BRENTWOOD | Unknown | |
| 631-849 | 849 | SHOREHAM | Unknown | |
| 631-850 | 850 | W COMMACK | Unknown | |
| 631-853 | 853 | CENTRAISLP | Unknown | |
| 631-855 | 855 | DEER PARK | Unknown | |
| 631-856 | 856 | HAMPTNBAYS | Unknown | |
| 631-857 | 857 | COLDSPGHBR | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-857 | 857 | COLDSPGHBR | Unknown | |
| 631-858 | 858 | W COMMACK | Unknown | |
| 631-859 | 859 | ISLIP | 9104-VERIZON NEW YORK, INC. | |
| 631-859 | 859 | ISLIP | Unknown | |
| 631-860 | 860 | DEER PARK | Unknown | |
| 631-861 | 861 | FARMINGDL | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-861 | 861 | FARMINGDL | Unknown | |
| 631-862 | 862 | ST JAMES | Unknown | |
| 631-863 | 863 | SMITHTOWN | Unknown | |
| 631-865 | 865 | DEER PARK | Unknown | |
| 631-866 | 866 | BELLPORT | 7140-TC SYSTEMS, INC. - NY | |
| 631-866 | 866 | BELLPORT | Unknown | |
| 631-867 | 867 | LINDENHST | Unknown | |
| 631-868 | 868 | BAYPORT | Unknown | |
| 631-869 | 869 | BELLPORT | Unknown | |
| 631-870 | 870 | CENTRAISLP | Unknown | |
| 631-872 | 872 | BRENTWOOD | Unknown | |
| 631-873 | 873 | BRENTWOOD | Unknown | |
| 631-876 | 876 | SOUTHOLD | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-876 | 876 | SOUTHOLD | Unknown | |
| 631-879 | 879 | PATCHOGUE | Unknown | |
| 631-880 | 880 | SELDEN | Unknown | |
| 631-881 | 881 | CENTRAISLP | 7421-AT&T - LOCAL | |
| 631-881 | 881 | CENTRAISLP | Unknown | |
| 631-883 | 883 | BAYPORT | Unknown | |
| 631-884 | 884 | LINDENHST | 9104-VERIZON NEW YORK, INC. | |
| 631-884 | 884 | LINDENHST | Unknown | |
| 631-885 | 885 | BRENTWOOD | Unknown | |
| 631-886 | 886 | WADING RIV | Unknown | |
| 631-887 | 887 | HAMPTNBAYS | 829J-PAETEC ITEL, LLC | |
| 631-887 | 887 | HAMPTNBAYS | Unknown | |
| 631-888 | 888 | LINDENHST | 9104-VERIZON NEW YORK, INC. | |
| 631-888 | 888 | LINDENHST | Unknown | |
| 631-889 | 889 | DEER PARK | Unknown | |
| 631-891 | 891 | PATCHOGUE | Unknown | |
| 631-892 | 892 | BAY SHORE | Unknown | |
| 631-893 | 893 | BABYLON | Unknown | |
| 631-894 | 894 | BAY SHORE | Unknown | |
| 631-895 | 895 | QUOGUE | 384C-ONVOY, LLC- NY | |
| 631-895 | 895 | QUOGUE | Unknown | |
| 631-896 | 896 | NORTHPORT | Unknown | |
| 631-898 | 898 | WESTHAMPTN | 9104-VERIZON NEW YORK, INC. | |
| 631-898 | 898 | WESTHAMPTN | Unknown | |
| 631-899 | 899 | SAG HARBOR | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-899 | 899 | SAG HARBOR | Unknown | |
| 631-900 | 900 | W COMMACK | 384C-ONVOY, LLC- NY | |
| 631-900 | 900 | W COMMACK | Unknown | |
| 631-901 | 901 | BRENTWOOD | Unknown | |
| 631-902 | 902 | RIVERHEAD | Unknown | |
| 631-903 | 903 | SOUTHAMPTN | Unknown | |
| 631-904 | 904 | CENTRAISLP | 9104-VERIZON NEW YORK, INC. | |
| 631-904 | 904 | CENTRAISLP | Unknown | |
| 631-905 | 905 | RIVERHEAD | Unknown | |
| 631-906 | 906 | DEER PARK | Unknown | |
| 631-907 | 907 | E HAMPTON | Unknown | |
| 631-908 | 908 | PATCHOGUE | Unknown | |
| 631-909 | 909 | CTRMORICHS | Unknown | |
| 631-910 | 910 | WADING RIV | 8340-XO NEW YORK, INC. | |
| 631-910 | 910 | WADING RIV | Unknown | |
| 631-912 | 912 | NORTHPORT | Unknown | |
| 631-913 | 913 | RONKONKOMA | Unknown | |
| 631-914 | 914 | RIVERHEAD | Unknown | |
| 631-916 | 916 | SHOREHAM | Unknown | |
| 631-918 | 918 | DEER PARK | 7140-TC SYSTEMS, INC. - NY | |
| 631-918 | 918 | DEER PARK | Unknown | |
| 631-919 | 919 | SAG HARBOR | 384C-ONVOY, LLC- NY | |
| 631-919 | 919 | SAG HARBOR | Unknown | |
| 631-920 | 920 | MIDLAND | Unknown | |
| 631-922 | 922 | BRENTWOOD | Unknown | |
| 631-923 | 923 | HUNTINGTON | Unknown | |
| 631-925 | 925 | NORTHPORT | 4006-LEVEL 3 COMMUNICATIONS, LLC - NY | |
| 631-925 | 925 | NORTHPORT | Unknown | |
| 631-926 | 926 | BRENTWOOD | Unknown | |
| 631-927 | 927 | FARMINGDL | 7421-AT&T - LOCAL | |
| 631-927 | 927 | FARMINGDL | Unknown | |
| 631-929 | 929 | WADING RIV | Unknown | |
| 631-930 | 930 | CENTRAISLP | Unknown | |
| 631-931 | 931 | E HAMPTON | Unknown | |
| 631-932 | 932 | DEER PARK | Unknown | |
| 631-933 | 933 | AMITYVILLE | Unknown | |
| 631-934 | 934 | BABYLON | 5562-METROPCS, INC. | |
| 631-934 | 934 | BABYLON | Unknown | |
| 631-935 | 935 | HUNTINGTON | Unknown | |
| 631-937 | 937 | SOUTHOLD | Unknown | |
| 631-938 | 938 | PTJEFFERSN | Unknown | |
| 631-939 | 939 | RIVERHEAD | Unknown | |
| 631-941 | 941 | STONYBROOK | Unknown | |
| 631-942 | 942 | BRENTWOOD | Unknown | |
| 631-944 | 944 | HUNTINGTON | Unknown | |
| 631-945 | 945 | GREENPORT | 384C-ONVOY, LLC- NY | |
| 631-945 | 945 | GREENPORT | Unknown | |
| 631-946 | 946 | SELDEN | Unknown | |
| 631-947 | 947 | BELLPORT | Unknown | |
| 631-951 | 951 | BRENTWOOD | Unknown | |
| 631-953 | 953 | RIVERHEAD | Unknown | |
| 631-954 | 954 | BAY SHORE | Unknown | |
| 631-956 | 956 | LINDENHST | Unknown | |
| 631-960 | 960 | ISLIP | Unknown | |
| 631-961 | 961 | BABYLON | Unknown | |
| 631-962 | 962 | FARMINGDL | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-962 | 962 | FARMINGDL | Unknown | |
| 631-963 | 963 | CENTRAISLP | Unknown | |
| 631-964 | 964 | DEER PARK | Unknown | |
| 631-965 | 965 | RIVERHEAD | Unknown | |
| 631-966 | 966 | BRENTWOOD | Unknown | |
| 631-969 | 969 | BAY SHORE | Unknown | |
| 631-970 | 970 | MATTITUCK | 384C-ONVOY, LLC- NY | |
| 631-970 | 970 | MATTITUCK | Unknown | |
| 631-971 | 971 | W COMMACK | Unknown | |
| 631-972 | 972 | BRENTWOOD | Unknown | |
| 631-973 | 973 | KINGS PARK | Unknown | |
| 631-975 | 975 | CTRMORICHS | 384C-ONVOY, LLC- NY | |
| 631-975 | 975 | CTRMORICHS | Unknown | |
| 631-977 | 977 | PATCHOGUE | Unknown | |
| 631-978 | 978 | PTJEFFERSN | 7133-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | |
| 631-978 | 978 | PTJEFFERSN | Unknown | |
| 631-982 | 982 | SMITHTOWN | Unknown | |
| 631-983 | 983 | BABYLON | Unknown | |
| 631-984 | 984 | DEER PARK | Unknown | |
| 631-985 | 985 | RIVERHEAD | Unknown | |
| 631-986 | 986 | SMITHTOWN | Unknown | |
| 631-989 | 989 | RIVERHEAD | Unknown | |
| 631-990 | 990 | BAY SHORE | 363H-AIRUS, INC. - NY | |
| 631-990 | 990 | BAY SHORE | Unknown | |
| 631-991 | 991 | LINDENHST | Unknown | |
| 631-992 | 992 | DEER PARK | Unknown | |
| 631-993 | 993 | COMMACK | Unknown | |
| 631-994 | 994 | BRENTWOOD | Unknown | |
| 631-995 | 995 | YAPHANK | Unknown | |
| 631-996 | 996 | QUOGUE | Unknown | |
| 631-997 | 997 | SELDEN | Unknown | |
| 631-998 | 998 | WESTHAMPTN | Unknown | |
| 631-999 | 999 | JAMESPORT | Unknown |
Quick Facts
- Area Code 631
- State NY
- Exchanges 729