Area Code 631

Area code 631 serves the state of New York. This area code was assigned on May 5th, 1999. On November 1st, 1999 it went into service. 631 is a General Purpose Code. 631 service area does overlap with 934 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D.

Active Prefixes in Area Code 631

Prefix Primary City
631-200 Bayport
631-204 Water Mill
631-205 Yaphank
631-206 Bay Shore
631-207 Patchogue
631-208 Riverhead
631-209 Shoreham
631-210 Islip
631-213 New York
631-214 Wyandanch
631-216 Port Jefferson
631-217 Stony Brook
631-218 Sayville
631-219 Brentwood
631-220 Brentwood
631-221 Seaford
631-223 Huntington
631-224 Islip
631-225 Lindenhurst
631-226 Lindenhurst
631-227 Farmingdale
631-228 Shoreham
631-229 Amityville
631-230 New York
631-231 Brentwood
631-232 Central Islip
631-233 Brentwood
631-234 Central Islip
631-235 Brentwood
631-236 Brentwood
631-237 Water Mill
631-238 New York
631-239 Northport
631-240 Smithtown
631-241 Brentwood
631-242 Wyandanch
631-243 Wyandanch
631-244 Sayville
631-245 Brentwood
631-246 Port Jefferson
631-247 Farmingdale
631-248 East Hampton
631-249 Farmingdale
631-250 New York
631-251 Sag Harbor
631-252 Brentwood
631-253 New York
631-254 Wyandanch
631-255 Riverhead
631-256 Sayville
631-257 Smithtown
631-258 Brentwood
631-259 Water Mill
631-260 Brentwood
631-261 Northport
631-262 Northport
631-263 Smithtown
631-264 Amityville
631-265 Smithtown
631-266 New York
631-267 East Hampton
631-268 Water Mill
631-269 New York
631-270 Farmingdale
631-271 Huntington
631-272 Central Islip
631-273 Brentwood
631-274 Wyandanch
631-275 Brentwood
631-276 New York
631-277 Islip
631-278 Brentwood
631-279 Brentwood
631-280 Brentwood
631-281 New York
631-282 Yaphank
631-283 Water Mill
631-284 Riverhead
631-285 Islandia
631-286 Bellport
631-287 Water Mill
631-288 Westhampton
631-289 Patchogue
631-290 Babylon
631-291 Brentwood
631-292 New York
631-293 Farmingdale
631-294 Yaphank
631-295 Yaphank
631-296 Water Mill
631-297 Central Islip
631-298 Mattituck
631-299 Brentwood
631-300 Brentwood
631-302 New York
631-306 Brentwood
631-307 Patchogue
631-312 Patchogue
631-315 Mattituck
631-316 Farmingdale
631-317 Patchogue
631-318 East Hampton
631-319 Sayville
631-320 Selden
631-321 Babylon
631-322 Brentwood
631-323 Greenport
631-324 East Hampton
631-325 Eastport
631-326 Commack
631-327 Huntington
631-328 Bay Shore
631-329 East Hampton
631-330 Farmingdale
631-331 Port Jefferson Station
631-332 Brentwood
631-333 Greenport
631-334 Central Islip
631-335 Brentwood
631-336 Brentwood
631-337 Sayville
631-338 Brentwood
631-339 Brentwood
631-340 Babylon
631-341 Yaphank
631-342 Central Islip
631-343 Commack
631-344 Yaphank
631-345 Yaphank
631-346 Selden
631-348 Central Islip
631-349 Stony Brook
631-350 Old Westbury
631-351 Huntington
631-352 Smithtown
631-353 Water Mill
631-354 Mattituck
631-355 Brentwood
631-356 Brentwood
631-357 Brentwood
631-358 Babylon
631-359 Wading River
631-360 Smithtown
631-361 Smithtown
631-363 Patchogue
631-364 Stony Brook
631-365 Brentwood
631-366 Smithtown
631-367 Cold Spring Harbor
631-368 New York
631-369 Riverhead
631-370 Farmingdale
631-371 Saint James
631-372 Brentwood
631-373 Brentwood
631-374 Brentwood
631-375 Riverhead
631-376 Babylon
631-377 Water Mill
631-378 Shoreham
631-379 Brentwood
631-380 Huntington
631-382 Smithtown
631-383 Bay Shore
631-384 Selden
631-385 Huntington
631-386 Farmingdale
631-387 Commack
631-388 Woodbury
631-389 Islandia
631-390 Farmingdale
631-391 Farmingdale
631-392 Wyandanch
631-393 Farmingdale
631-394 Yaphank
631-395 New York
631-396 Farmingdale
631-397 Amityville
631-398 Brentwood
631-399 New York
631-400 Center Moriches
631-402 Brentwood
631-403 Port Jefferson Station
631-404 Brentwood
631-405 Riverhead
631-406 Smithtown
631-407 Southold
631-408 Amityville
631-409 Seaford
631-410 Commack
631-412 Lindenhurst
631-413 Selden
631-414 Farmingdale
631-415 Central Islip
631-416 Brentwood
631-417 Hicksville
631-418 Huntington
631-419 Sayville
631-420 Farmingdale
631-421 Huntington
631-422 Babylon
631-423 Huntington
631-424 Huntington
631-425 Huntington
631-426 Babylon
631-427 Huntington
631-428 Huntington
631-429 Lindenhurst
631-430 Greenport
631-431 Central Islip
631-432 Brentwood
631-433 Brentwood
631-434 Brentwood
631-435 Brentwood
631-436 Brentwood
631-437 New York
631-438 Patchogue
631-439 Central Islip
631-440 New York
631-441 Brentwood
631-442 Brentwood
631-443 Eastport
631-444 Port Jefferson
631-445 Brentwood
631-446 Islip
631-447 Patchogue
631-448 Yaphank
631-449 Brentwood
631-450 Lindenhurst
631-451 Selden
631-452 Central Islip
631-453 Selden
631-454 Farmingdale
631-455 Wyandanch
631-456 Brentwood
631-457 Huntington
631-458 Sag Harbor
631-459 Brentwood
631-460 New York
631-461 Riverhead
631-462 New York
631-463 Central Islip
631-464 Amityville
631-465 Farmingdale
631-466 Riverhead
631-467 Islandia
631-468 Islandia
631-469 New York
631-470 Huntington
631-471 Patchogue
631-472 Sayville
631-473 Port Jefferson Station
631-474 Port Jefferson Station
631-475 Patchogue
631-476 Port Jefferson Station
631-477 Greenport
631-478 Brentwood
631-479 Huntington
631-480 Amityville
631-481 Islip
631-482 Babylon
631-483 New York
631-484 Brentwood
631-485 New York
631-486 New York
631-487 Brentwood
631-488 Water Mill
631-489 New York
631-490 New York
631-491 New York
631-492 Wyandanch
631-493 New York
631-494 Riverhead
631-495 Brentwood
631-496 Selden
631-497 Yaphank
631-498 Cold Spring Harbor
631-499 New York
631-500 Water Mill
631-501 Farmingdale
631-502 Mattituck
631-503 Center Moriches
631-504 Yaphank
631-505 Lindenhurst
631-506 Riverhead
631-507 Amityville
631-509 Port Jefferson Station
631-510 New York
631-512 Selden
631-513 Brentwood
631-514 Brentwood
631-515 East Marion
631-517 Babylon
631-518 Bay Shore
631-519 New York
631-520 Amityville
631-521 Brentwood
631-522 Wyandanch
631-523 Central Islip
631-524 Brentwood
631-525 Brentwood
631-526 Babylon
631-527 East Hampton
631-528 New York
631-529 Orient
631-531 Farmingdale
631-532 Amityville
631-533 Central Islip
631-534 Cold Spring Harbor
631-535 Port Jefferson Station
631-536 Eastport
631-537 Sag Harbor
631-538 Selden
631-539 Babylon
631-540 Suffolk
631-541 Massapequa
631-542 Islandia
631-543 Commack
631-544 New York
631-545 Amityville
631-546 Huntington
631-547 Huntington
631-548 Riverhead
631-549 Huntington
631-550 Suffolk
631-551 New York
631-552 Amityville
631-553 Brentwood
631-554 Brentwood
631-556 Brentwood
631-557 East Hampton
631-558 Riverhead
631-559 Brentwood
631-560 Brentwood
631-561 Selden
631-562 Patchogue
631-563 Sayville
631-564 Sayville
631-565 Amityville
631-566 Riverhead
631-567 Sayville
631-568 Amityville
631-569 Patchogue
631-570 New York
631-571 Orient
631-572 Babylon
631-573 Sayville
631-574 Riverhead
631-575 Brentwood
631-576 Patchogue
631-577 Farmingdale
631-578 Yaphank
631-579 Brentwood
631-580 Islandia
631-581 Islip
631-582 Central Islip
631-583 New York
631-584 New York
631-585 Islandia
631-586 Wyandanch
631-587 Babylon
631-588 Islandia
631-589 Sayville
631-590 Brentwood
631-591 Riverhead
631-592 Lindenhurst
631-593 Greenport
631-594 New York
631-595 Wyandanch
631-596 Westhampton
631-597 New York
631-598 Amityville
631-599 Riverhead
631-600 New York
631-601 Brentwood
631-602 East Marion
631-603 Riverhead
631-604 East Hampton
631-605 Patchogue
631-606 Hicksville
631-608 Amityville
631-609 Brentwood
631-610 Eastport
631-612 Babylon
631-613 Water Mill
631-614 Water Mill
631-615 Islandia
631-616 Peconic
631-617 Brentwood
631-618 Yaphank
631-619 Huntington
631-620 Hicksville
631-621 New York
631-622 Farmingdale
631-623 New York
631-624 Brentwood
631-625 Orient
631-626 Brentwood
631-627 Patchogue
631-628 Northport
631-629 Huntington
631-630 Central Islip
631-632 Port Jefferson
631-633 Bellport
631-635 Babylon
631-636 Brentwood
631-637 Brentwood
631-638 Stony Brook
631-639 Brentwood
631-641 Water Mill
631-642 Port Jefferson Station
631-643 New York
631-644 Riverhead
631-645 Brentwood
631-647 Bay Shore
631-648 Islandia
631-649 Babylon
631-650 Islip
631-651 Northport
631-652 Smithtown
631-653 Westhampton
631-654 Patchogue
631-655 Riverhead
631-656 Smithtown
631-657 New York
631-658 East Hampton
631-659 Cold Spring Harbor
631-660 Riverhead
631-661 Babylon
631-662 Huntington
631-663 New York
631-664 Central Islip
631-665 Bay Shore
631-666 Bay Shore
631-667 Wyandanch
631-668 New York
631-669 Babylon
631-670 Commack
631-671 Lindenhurst
631-672 Smithtown
631-673 Huntington
631-674 New York
631-675 Stony Brook
631-676 Islandia
631-677 Sayville
631-678 Brentwood
631-679 Seaford
631-680 Riverhead
631-681 Selden
631-682 Selden
631-683 Huntington
631-684 Westhampton
631-685 New York
631-686 New York
631-687 Patchogue
631-688 Farmingdale
631-689 Port Jefferson
631-691 Amityville
631-692 Cold Spring Harbor
631-693 Huntington
631-694 Farmingdale
631-695 Brentwood
631-696 Selden
631-697 Huntington
631-698 Selden
631-699 Sayville
631-701 Eastport
631-702 Water Mill
631-703 Amityville
631-704 Brentwood
631-706 Stony Brook
631-707 Brentwood
631-708 Brentwood
631-709 Water Mill
631-712 Farmingdale
631-713 Eastport
631-714 Patchogue
631-715 Central Islip
631-716 Selden
631-717 East Hampton
631-719 Farmingdale
631-721 Selden
631-722 Riverhead
631-723 New York
631-724 Smithtown
631-725 Sag Harbor
631-726 Water Mill
631-727 Riverhead
631-728 New York
631-729 New York
631-730 Patchogue
631-731 East Hampton
631-732 Selden
631-733 Brentwood
631-734 Peconic
631-735 Peconic
631-736 Selden
631-737 Islandia
631-738 Islandia
631-739 Islandia
631-740 Riverhead
631-741 Brentwood
631-742 Huntington
631-743 Port Jefferson Station
631-744 Shoreham
631-745 Bayport
631-746 Amityville
631-747 Brentwood
631-748 Brentwood
631-749 Shelter Island
631-750 Sayville
631-751 Port Jefferson
631-752 Farmingdale
631-753 Farmingdale
631-754 Northport
631-755 Farmingdale
631-756 Farmingdale
631-757 Northport
631-758 Patchogue
631-759 Huntington
631-760 Huntington
631-761 Central Islip
631-762 Stony Brook
631-763 Carle Place
631-764 Selden
631-765 Southold
631-766 Brentwood
631-767 Brentwood
631-768 Carle Place
631-769 Shoreham
631-770 Farmingdale
631-771 East Hampton
631-772 New York
631-773 Farmingdale
631-774 Brentwood
631-775 Yaphank
631-776 Bellport
631-777 Farmingdale
631-778 Central Islip
631-779 Mattituck
631-780 Smithtown
631-781 Seaford
631-782 Wyandanch
631-783 Seaford
631-784 Central Islip
631-785 Seaford
631-786 Brentwood
631-787 Central Islip
631-788 Montauk
631-789 Amityville
631-790 Patchogue
631-791 Port Jefferson Station
631-792 Huntington
631-793 Brentwood
631-794 Farmingdale
631-795 Massapequa
631-796 Brentwood
631-797 Massapequa
631-798 Massapequa
631-799 Massapequa
631-800 Water Mill
631-801 Eastport
631-802 Port Jefferson Station
631-803 Bellport
631-804 Brentwood
631-805 Amityville
631-806 Brentwood
631-807 Amityville
631-808 Northport
631-812 Huntington
631-813 Brentwood
631-815 Farmingdale
631-816 Yaphank
631-817 New York
631-820 Islandia
631-821 Shoreham
631-822 Central Islip
631-823 Bayport
631-824 Carle Place
631-825 New York
631-826 Seaford
631-827 Huntington
631-828 Port Jefferson Station
631-829 Amityville
631-830 Riverhead
631-831 Brentwood
631-832 Bayport
631-833 Riverhead
631-834 Brentwood
631-835 Brentwood
631-836 Brentwood
631-837 Northport
631-838 Brentwood
631-839 Brentwood
631-840 Islip
631-841 Amityville
631-842 Amityville
631-843 Farmingdale
631-844 Farmingdale
631-845 Farmingdale
631-846 Selden
631-847 Farmingdale
631-848 Brentwood
631-849 Shoreham
631-850 New York
631-851 Central Islip
631-852 Riverhead
631-853 Central Islip
631-854 Brentwood
631-855 Wyandanch
631-856 New York
631-857 Cold Spring Harbor
631-858 New York
631-859 Islip
631-860 Wyandanch
631-861 Farmingdale
631-862 New York
631-863 Smithtown
631-864 Commack
631-865 Wyandanch
631-866 Bellport
631-867 Lindenhurst
631-868 Bayport
631-869 Bellport
631-870 Huntington
631-871 Riverhead
631-872 Brentwood
631-873 Brentwood
631-874 Mastic
631-875 Riverhead
631-876 Southold
631-877 Brentwood
631-878 Mastic
631-879 Patchogue
631-880 Selden
631-881 Central Islip
631-882 Central Islip
631-883 Bayport
631-884 Lindenhurst
631-885 Brentwood
631-886 Wading River
631-887 New York
631-888 Lindenhurst
631-889 Wyandanch
631-890 Bayport
631-891 Patchogue
631-892 Bay Shore
631-893 Babylon
631-894 Huntington
631-896 Northport
631-897 Huntington
631-898 Westhampton
631-899 Sag Harbor
631-900 New York
631-901 Brentwood
631-902 Riverhead
631-903 Water Mill
631-904 Central Islip
631-905 Riverhead
631-907 East Hampton
631-909 Center Moriches
631-910 Wading River
631-912 Northport
631-913 Islandia
631-915 Riverhead
631-918 Deer Park
631-919 Sag Harbor
631-920 New York
631-921 Brentwood
631-922 Brentwood
631-923 Brentwood
631-924 Yaphank
631-925 Northport
631-926 Brentwood
631-927 Garden City
631-928 Port Jefferson Station
631-929 Shoreham
631-930 Central Islip
631-932 Wyandanch
631-933 Amityville
631-935 Huntington
631-937 Southold
631-938 Port Jefferson Station
631-940 Wyandanch
631-941 Port Jefferson
631-942 Brentwood
631-943 Babylon
631-944 Huntington
631-946 Selden
631-947 Bellport
631-948 Brentwood
631-949 Bellport
631-951 Brentwood
631-952 Brentwood
631-953 Riverhead
631-954 Bay Shore
631-955 Wyandanch
631-956 Lindenhurst
631-957 Lindenhurst
631-960 Huntington
631-961 Babylon
631-962 Old Westbury
631-963 Central Islip
631-964 Wyandanch
631-965 Riverhead
631-967 Brentwood
631-968 Bay Shore
631-969 Bay Shore
631-970 New York
631-971 New York
631-972 Brentwood
631-973 New York
631-974 Smithtown
631-978 Port Jefferson Station
631-979 Smithtown
631-980 Commack
631-981 Islandia
631-982 Smithtown
631-983 Babylon
631-987 Brentwood
631-988 Huntington
631-989 Riverhead
631-991 Huntington
631-992 Wantagh
631-993 Commack
631-994 Brentwood
631-995 Yaphank
631-996 Westhampton
631-997 Selden
631-998 Westhampton