LEVEL 3 COMMUNICATIONS, LLC - NY
53 prefixes in 631 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 631-236 | BRENTWOOD | 4006 | — | Yes |
| 631-240 | SMITHTOWN | 4006 | 2001-10-30 | Yes |
| 631-251 | SAG HARBOR | 4006 | — | Yes |
| 631-292 | KINGS PARK | 4006 | — | Yes |
| 631-295 | YAPHANK | 4006 | — | Yes |
| 631-306 | DEER PARK | 4006 | — | Yes |
| 631-337 | SAYVILLE | 4006 | — | Yes |
| 631-354 | MATTITUCK | 4006 | — | Yes |
| 631-378 | SHOREHAM | 4006 | — | Yes |
| 631-415 | CENTRAISLP | 4006 | — | Yes |
| 631-440 | FIREISLAND | 4006 | — | Yes |
| 631-443 | EASTPORT | 4006 | — | Yes |
| 631-458 | SAG HARBOR | 4006 | — | Yes |
| 631-466 | RIVERHEAD | 4006 | — | Yes |
| 631-479 | HUNTINGTON | 4006 | — | Yes |
| 631-485 | MIDLAND | 4006 | — | Yes |
| 631-496 | SELDEN | 4006 | 2012-02-20 | Yes |
| 631-513 | BRENTWOOD | 4006 | — | Yes |
| 631-517 | BABYLON | 4006 | — | Yes |
| 631-520 | AMITYVILLE | 4006 | — | Yes |
| 631-525 | BRENTWOOD | 4006 | 2003-11-04 | Yes |
| 631-536 | EASTPORT | 4006 | — | Yes |
| 631-546 | HUNTINGTON | 4006 | — | Yes |
| 631-569 | PATCHOGUE | 4006 | 2006-05-19 | Yes |
| 631-570 | FIREISLAND | 4006 | — | Yes |
| 631-590 | RONKONKOMA | 4006 | — | Yes |
| 631-593 | GREENPORT | 4006 | — | Yes |
| 631-610 | EASTPORT | 4006 | — | Yes |
| 631-612 | BABYLON | 4006 | — | Yes |
| 631-615 | RONKONKOMA | 4006 | — | Yes |
| 631-618 | YAPHANK | 4006 | — | Yes |
| 631-649 | BABYLON | 4006 | — | Yes |
| 631-657 | ATLANTIC | 4006 | — | Yes |
| 631-702 | SOUTHAMPTN | 4006 | — | Yes |
| 631-707 | BRENTWOOD | 4006 | 2005-03-10 | Yes |
| 631-709 | WATER MILL | 4006 | 2004-08-17 | Yes |
| 631-714 | PATCHOGUE | 4006 | 2004-10-11 | Yes |
| 631-731 | AMAGANSETT | 4006 | — | Yes |
| 631-759 | HUNTINGTON | 4006 | — | Yes |
| 631-762 | STONYBROOK | 4006 | — | Yes |
| 631-771 | E HAMPTON | 4006 | 2004-10-13 | Yes |
| 631-813 | BRENTWOOD | 4006 | 2004-10-15 | Yes |
| 631-815 | FARMINGDL | 4006 | — | Yes |
| 631-830 | RIVERHEAD | 4006 | — | Yes |
| 631-840 | ISLIP | 4006 | — | Yes |
| 631-865 | DEER PARK | 4006 | — | Yes |
| 631-867 | LINDENHST | 4006 | — | Yes |
| 631-876 | SOUTHOLD | 4006 | 2004-08-17 | Yes |
| 631-899 | SAG HARBOR | 4006 | — | Yes |
| 631-925 | NORTHPORT | 4006 | — | Yes |
| 631-938 | PTJEFFERSN | 4006 | 2005-04-08 | Yes |
| 631-961 | BABYLON | 4006 | — | Yes |
| 631-972 | BRENTWOOD | 4006 | 2005-09-15 | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.