All assignees
800 prefixes in 561 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 561-500 | WPALMBEACH | 829J | 2010-02-11 | Yes |
| 561-501 | DELRAY BCH | 982E | 2014-04-11 | Yes |
| 561-502 | WPALMBEACH | 5562 | 2001-10-22 | — |
| 561-503 | BOYNTONBCH | 4802 | — | Yes |
| 561-504 | BOCA RATON | 6502 | — | Yes |
| 561-505 | BOCA RATON | 6548 | — | — |
| 561-506 | WPALMBEACH | 6889 | 2005-05-25 | Yes |
| 561-507 | WPALMBEACH | 6889 | 2013-09-16 | Yes |
| 561-508 | WPALMBEACH | 318J | 2014-04-17 | Yes |
| 561-509 | BOYNTONBCH | 8300 | — | Yes |
| 561-510 | JUPITER | 4802 | 2014-10-02 | Yes |
| 561-511 | XXXXXXXXXX | MULT | — | — |
| 561-512 | WPALMBEACH | 6502 | — | — |
| 561-513 | WPALMBEACH | 6502 | 2014-05-16 | Yes |
| 561-514 | WPALMBEACH | 9417 | — | Yes |
| 561-515 | WPALMBEACH | 8664 | — | Yes |
| 561-516 | BELLEGLADE | 6502 | — | Yes |
| 561-517 | WPALMBEACH | 6502 | 2014-07-17 | Yes |
| 561-518 | BELLEGLADE | 829J | — | Yes |
| 561-519 | BOCA RATON | 6502 | 2020-06-29 | Yes |
| 561-520 | BOCA RATON | 7635 | 2005-03-22 | Yes |
| 561-521 | BOYNTONBCH | 7635 | 2005-03-22 | Yes |
| 561-522 | DELRAY BCH | 7635 | 2005-03-22 | Yes |
| 561-523 | BOYNTONBCH | 6214 | 2001-04-27 | — |
| 561-524 | WPALMBEACH | 6889 | 2020-08-28 | Yes |
| 561-525 | BOCA RATON | 6502 | 2020-08-28 | Yes |
| 561-526 | DELRAY BCH | 8664 | — | Yes |
| 561-527 | BOCA RATON | 6502 | 2020-08-20 | Yes |
| 561-528 | DELRAY BCH | 6889 | 2020-08-27 | Yes |
| 561-529 | JUPITER | 6214 | — | Yes |
| 561-530 | WPALMBEACH | 8300 | 2015-01-27 | Yes |
| 561-531 | WPALMBEACH | 6502 | 2005-06-22 | Yes |
| 561-532 | JUPITER | 5562 | 2020-09-03 | Yes |
| 561-533 | WPALMBEACH | 9417 | — | — |
| 561-534 | WPALMBEACH | 6548 | — | — |
| 561-535 | WPALMBEACH | 6548 | — | — |
| 561-536 | BOYNTONBCH | 8664 | — | Yes |
| 561-537 | WPALMBEACH | 6889 | 2005-03-09 | Yes |
| 561-538 | BOCA RATON | 6502 | 2020-09-14 | Yes |
| 561-539 | BOCA RATON | 6502 | 2020-09-16 | Yes |
| 561-540 | WPALMBEACH | 9417 | — | — |
| 561-541 | WPALMBEACH | 5562 | 2001-12-27 | — |
| 561-542 | DELRAY BCH | 6889 | — | Yes |
| 561-543 | WPALMBEACH | 6889 | — | — |
| 561-544 | BOCA RATON | 9417 | — | Yes |
| 561-545 | WPALMBEACH | 6502 | 2020-10-07 | Yes |
| 561-546 | BOCA RATON | 6502 | 2020-10-07 | Yes |
| 561-547 | WPALMBEACH | 9417 | — | — |
| 561-548 | WPALMBEACH | 9417 | 2002-06-24 | Yes |
| 561-549 | BOCA RATON | 829J | — | Yes |
| 561-550 | WPALMBEACH | 9417 | — | — |
| 561-551 | WPALMBEACH | 6630 | — | — |
| 561-552 | DELRAY BCH | 6889 | 2023-09-29 | Yes |
| 561-553 | WPALMBEACH | 6630 | — | — |
| 561-554 | WPALMBEACH | 6630 | — | — |
| 561-555 | DIR ASST | MULT | — | — |
| 561-556 | BOCA RATON | 937C | 2020-09-18 | Yes |
| 561-557 | WPALMBEACH | 318J | 2013-04-25 | Yes |
| 561-558 | BOCA RATON | 9417 | — | Yes |
| 561-559 | WPALMBEACH | 982E | 2020-10-16 | Yes |
| 561-560 | BOCA RATON | 937C | 2019-05-17 | Yes |
| 561-561 | BOYNTONBCH | 937C | 2022-09-26 | Yes |
| 561-562 | DELRAY BCH | 6889 | 2015-11-04 | Yes |
| 561-563 | DELRAY BCH | 6889 | 2014-10-16 | Yes |
| 561-564 | BOCA RATON | 624H | 2020-04-30 | Yes |
| 561-565 | BOCA RATON | 937C | 2019-08-08 | Yes |
| 561-566 | WPALMBEACH | 902E | — | Yes |
| 561-567 | WPALMBEACH | 937C | 2016-01-20 | Yes |
| 561-568 | WPALMBEACH | 6214 | 2002-04-23 | — |
| 561-569 | BOCA RATON | 6502 | 2016-05-13 | Yes |
| 561-570 | WPALMBEACH | 6889 | 2014-11-19 | Yes |
| 561-571 | BOCA RATON | 8664 | 2014-03-18 | Yes |
| 561-572 | BOYNTONBCH | 829J | — | Yes |
| 561-573 | DELRAY BCH | 6214 | 2001-04-27 | — |
| 561-574 | WPALMBEACH | 5562 | 2004-09-28 | Yes |
| 561-575 | JUPITER | 9417 | — | Yes |
| 561-576 | BOCA RATON | 318J | 2020-10-23 | Yes |
| 561-577 | BOYNTONBCH | 5562 | 2002-01-24 | — |
| 561-578 | WPALMBEACH | 6502 | 2006-07-14 | Yes |
| 561-579 | BOCA RATON | 6502 | 2020-12-21 | Yes |
| 561-580 | WPALMBEACH | 9417 | — | — |
| 561-581 | JUPITER | 937C | 2018-11-20 | Yes |
| 561-582 | WPALMBEACH | 9417 | — | — |
| 561-583 | BOCA RATON | 6502 | 2020-12-28 | Yes |
| 561-584 | WPALMBEACH | 5562 | 2005-03-16 | Yes |
| 561-585 | WPALMBEACH | 9417 | — | — |
| 561-586 | WPALMBEACH | 9417 | — | — |
| 561-587 | WPALMBEACH | 6502 | 2020-12-30 | Yes |
| 561-588 | WPALMBEACH | 9417 | — | — |
| 561-589 | JUPITER | 6214 | 2021-01-08 | Yes |
| 561-590 | BOCA RATON | 6502 | 2021-01-27 | Yes |
| 561-591 | BOCA RATON | 6502 | 2021-02-11 | Yes |
| 561-592 | BOCA RATON | 6502 | 2020-08-04 | Yes |
| 561-593 | WPALMBEACH | 982E | 2020-08-05 | Yes |
| 561-594 | WPALMBEACH | 937C | 2005-12-28 | Yes |
| 561-595 | BOCA RATON | 6502 | 2021-02-19 | Yes |
| 561-596 | WPALMBEACH | 6502 | — | — |
| 561-597 | WPALMBEACH | 6502 | 2021-03-03 | Yes |
| 561-598 | WPALMBEACH | 6502 | 2006-02-15 | Yes |
| 561-599 | DELRAY BCH | 158H | 2018-10-11 | 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.