All assignees
799 prefixes in 516 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 516-500 | NASSAUZN05 | 997E | — | Yes |
| 516-501 | FARMINGDL | 9104 | — | Yes |
| 516-502 | NASSAUZN02 | 7133 | — | Yes |
| 516-503 | NASSAUZN05 | 6622 | — | — |
| 516-504 | NASSAUZN01 | 9104 | — | Yes |
| 516-505 | NASSAUZN05 | 9104 | — | — |
| 516-506 | NASSAUZN05 | 7126 | 2006-01-05 | Yes |
| 516-507 | NASSAUZN05 | 7421 | — | Yes |
| 516-508 | NASSAUZN05 | 7421 | — | Yes |
| 516-509 | NASSAUZN05 | 6959 | — | — |
| 516-510 | NASSAUZN05 | 6959 | — | — |
| 516-511 | XXXXXXXXXX | MULT | — | — |
| 516-512 | NASSAUZN05 | 9104 | — | Yes |
| 516-513 | NASSAUZN08 | 612K | 2014-06-18 | Yes |
| 516-514 | NASSAUZN02 | 5562 | 2011-12-13 | Yes |
| 516-515 | NASSAUZN05 | 7421 | — | Yes |
| 516-516 | NASSAUZN02 | 997E | 2022-10-11 | Yes |
| 516-517 | NASSAUZN06 | 7126 | 2018-02-06 | Yes |
| 516-518 | NASSAUZN06 | 384C | — | — |
| 516-519 | NASSAUZN02 | 4036 | 2011-12-08 | Yes |
| 516-520 | NASSAUZN08 | 9104 | — | — |
| 516-521 | NASSAUZN05 | 6959 | — | — |
| 516-522 | NASSAUZN05 | 9104 | — | Yes |
| 516-523 | NASSAUZN05 | 6622 | — | Yes |
| 516-524 | NASSAUZN05 | 6959 | — | — |
| 516-525 | NASSAUZN01 | 6630 | 2001-05-09 | — |
| 516-526 | NASSAUZN05 | 4036 | — | — |
| 516-527 | SELDEN | 4036 | — | — |
| 516-528 | NASSAUZN05 | 4036 | — | — |
| 516-529 | NASSAUZN05 | 977K | 2026-01-06 | Yes |
| 516-530 | NASSAUZN08 | 7126 | 2018-03-19 | Yes |
| 516-531 | FARMINGDL | 9104 | — | Yes |
| 516-532 | NASSAUZN07 | 4036 | — | — |
| 516-533 | NASSAUZN08 | 0059 | 2001-09-05 | — |
| 516-534 | NASSAUZN05 | 6622 | 2016-08-23 | Yes |
| 516-535 | NASSAUZN05 | 9104 | — | Yes |
| 516-536 | NASSAUZN06 | 9104 | — | — |
| 516-537 | NASSAUZN03 | 7133 | — | Yes |
| 516-538 | NASSAUZN05 | 9104 | — | — |
| 516-539 | NASSAUZN05 | 9104 | — | Yes |
| 516-540 | NASSAUZN05 | 4036 | 2019-12-10 | Yes |
| 516-541 | NASSAUZN09 | 9104 | — | — |
| 516-542 | NASSAUZN05 | 9104 | — | Yes |
| 516-543 | NASSAUZN06 | 5562 | 2006-08-02 | Yes |
| 516-544 | NASSAUZN06 | 612K | 2012-04-24 | Yes |
| 516-545 | NASSAUZN08 | 9104 | — | Yes |
| 516-546 | NASSAUZN06 | 9104 | — | — |
| 516-547 | NASSAUZN02 | 4036 | 2004-08-20 | Yes |
| 516-548 | NASSAUZN06 | 384C | — | Yes |
| 516-549 | NASSAUZN02 | 4006 | — | Yes |
| 516-550 | NASSAUZN01 | 197D | 2020-01-13 | Yes |
| 516-551 | NASSAUZN05 | 6959 | — | — |
| 516-552 | NASSAUZN07 | 4036 | 2023-04-05 | Yes |
| 516-554 | NASSAUZN05 | 4036 | — | Yes |
| 516-555 | DIR ASST | MULT | — | — |
| 516-556 | SELDEN | 0059 | 2001-09-05 | — |
| 516-557 | NASSAUZN09 | 6622 | 2001-10-11 | Yes |
| 516-558 | NASSAUZN07 | 4006 | — | Yes |
| 516-559 | NASSAUZN05 | 9104 | — | Yes |
| 516-560 | NASSAUZN05 | 9104 | — | Yes |
| 516-561 | NASSAUZN03 | 9104 | — | — |
| 516-562 | NASSAUZN01 | 9104 | — | Yes |
| 516-563 | NASSAUZN02 | 6959 | 2014-12-18 | Yes |
| 516-564 | NASSAUZN05 | 9104 | — | Yes |
| 516-565 | NASSAUZN05 | 9104 | — | Yes |
| 516-566 | NASSAUZN05 | 9104 | — | Yes |
| 516-567 | NASSAUZN05 | 4036 | 2001-06-14 | — |
| 516-568 | NASSAUZN03 | 9104 | — | Yes |
| 516-569 | NASSAUZN03 | 9104 | — | — |
| 516-570 | NASSAUZN01 | 4006 | — | Yes |
| 516-571 | NASSAUZN05 | 9104 | — | — |
| 516-572 | NASSAUZN05 | 9104 | — | — |
| 516-573 | NASSAUZN05 | 9104 | — | — |
| 516-574 | NASSAUZN02 | 9104 | — | Yes |
| 516-575 | NASSAUZN08 | 9104 | — | Yes |
| 516-576 | NASSAUZN08 | 9104 | — | Yes |
| 516-577 | FARMINGDL | 9104 | — | Yes |
| 516-578 | NASSAUZN05 | 6959 | — | — |
| 516-579 | NASSAUZN08 | 9104 | — | — |
| 516-580 | NASSAUZN05 | 6959 | 2012-08-16 | Yes |
| 516-581 | NASSAUZN05 | 4036 | 2002-03-14 | — |
| 516-582 | NASSAUZN02 | 4036 | 2002-03-14 | — |
| 516-583 | NASSAUZN04 | 363H | 2015-02-06 | Yes |
| 516-584 | NASSAUZN07 | 7133 | — | Yes |
| 516-585 | NASSAUZN08 | 384C | 2023-08-15 | Yes |
| 516-586 | FARMINGDL | 7126 | — | Yes |
| 516-587 | NASSAUZN02 | 4036 | 2005-03-14 | Yes |
| 516-588 | NASSAUZN07 | 829J | — | Yes |
| 516-589 | NASSAUZN02 | 4036 | 2005-03-14 | Yes |
| 516-590 | NASSAUZN09 | 6622 | 2013-01-15 | Yes |
| 516-591 | NASSAUZN05 | 997E | 2016-08-18 | Yes |
| 516-592 | NASSAUZN05 | 6959 | — | Yes |
| 516-593 | NASSAUZN03 | 9104 | — | — |
| 516-594 | NASSAUZN06 | 9104 | — | — |
| 516-595 | NASSAUZN08 | 612K | 2012-10-18 | Yes |
| 516-596 | NASSAUZN03 | 9104 | — | Yes |
| 516-597 | NASSAUZN08 | 612K | 2012-04-24 | Yes |
| 516-598 | AMITYVILLE | 9104 | — | Yes |
| 516-599 | NASSAUZN03 | 9104 | — | Yes |
| 516-600 | NASSAUZN06 | 321J | — | 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.