All assignees
800 prefixes in 561 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 561-300 | BOCA RATON | 937C | — | Yes |
| 561-301 | WPALMBEACH | 6214 | 2001-04-27 | — |
| 561-302 | BOCA RATON | 6502 | — | — |
| 561-303 | DELRAY BCH | 982E | 2012-08-13 | Yes |
| 561-304 | WPALMBEACH | 9417 | — | Yes |
| 561-305 | BOCA RATON | 5562 | 2001-10-22 | — |
| 561-306 | DELRAY BCH | 6889 | — | — |
| 561-307 | WPALMBEACH | 6214 | 2001-04-27 | — |
| 561-308 | WPALMBEACH | 6214 | 2001-04-27 | — |
| 561-309 | WPALMBEACH | 6214 | 2001-04-27 | — |
| 561-310 | WPALMBEACH | 6214 | 2001-04-27 | — |
| 561-311 | XXXXXXXXXX | MULT | — | — |
| 561-312 | WPALMBEACH | 6214 | — | — |
| 561-313 | WPALMBEACH | 6214 | — | — |
| 561-314 | BOCA RATON | 829J | — | Yes |
| 561-315 | WPALMBEACH | 6214 | — | — |
| 561-316 | JUPITER | 4802 | 2010-07-28 | Yes |
| 561-317 | WPALMBEACH | 6889 | — | — |
| 561-318 | WPALMBEACH | 6889 | 2010-06-02 | Yes |
| 561-319 | WPALMBEACH | 6214 | — | — |
| 561-320 | JUPITER | 902E | 2012-06-06 | Yes |
| 561-321 | BOCA RATON | 6502 | 2023-02-10 | Yes |
| 561-322 | BOCA RATON | 8300 | — | Yes |
| 561-323 | WPALMBEACH | 6502 | — | Yes |
| 561-324 | WPALMBEACH | 6214 | 2001-10-22 | Yes |
| 561-325 | BOCA RATON | 6502 | 2012-08-30 | Yes |
| 561-326 | WPALMBEACH | 6630 | — | — |
| 561-327 | BOYNTONBCH | 4802 | — | Yes |
| 561-328 | WPALMBEACH | 982E | 2011-02-22 | Yes |
| 561-329 | WPALMBEACH | 6214 | — | — |
| 561-330 | DELRAY BCH | 9417 | — | Yes |
| 561-331 | WPALMBEACH | 982E | 2012-09-11 | Yes |
| 561-332 | DELRAY BCH | 6889 | 2016-02-04 | Yes |
| 561-333 | WPALMBEACH | 9417 | — | — |
| 561-334 | BOCA RATON | 6214 | 2017-11-16 | Yes |
| 561-335 | WPALMBEACH | 765A | 2017-12-28 | Yes |
| 561-336 | BOYNTONBCH | 902E | — | Yes |
| 561-337 | WPALMBEACH | 6889 | 2005-02-15 | Yes |
| 561-338 | BOCA RATON | 9417 | — | — |
| 561-339 | JUPITER | 6214 | — | — |
| 561-340 | WPALMBEACH | 6889 | 2005-03-31 | Yes |
| 561-341 | WPALMBEACH | 8300 | 2018-01-11 | Yes |
| 561-342 | PAHOKEE | 937C | 2006-02-24 | Yes |
| 561-343 | BOCA RATON | 6502 | 2018-03-23 | Yes |
| 561-344 | DELRAY BCH | 6889 | 2017-03-24 | Yes |
| 561-345 | WPALMBEACH | 6889 | — | Yes |
| 561-346 | WPALMBEACH | 6214 | 2001-04-27 | — |
| 561-347 | BOCA RATON | 9417 | — | — |
| 561-348 | JUPITER | 4802 | — | Yes |
| 561-349 | PAHOKEE | 937C | 2006-09-08 | Yes |
| 561-350 | DELRAY BCH | 5562 | — | Yes |
| 561-351 | WPALMBEACH | 5562 | — | Yes |
| 561-352 | WPALMBEACH | 6889 | — | Yes |
| 561-353 | BOCA RATON | 829J | — | Yes |
| 561-354 | JUPITER | 829J | — | Yes |
| 561-355 | WPALMBEACH | 9417 | — | Yes |
| 561-356 | WPALMBEACH | 6502 | 2018-05-18 | Yes |
| 561-357 | WPALMBEACH | 9417 | — | — |
| 561-358 | WPALMBEACH | 6214 | — | — |
| 561-359 | DELRAY BCH | 318J | 2016-12-29 | Yes |
| 561-360 | WPALMBEACH | 572G | 2012-11-14 | Yes |
| 561-361 | BOCA RATON | 9417 | — | — |
| 561-362 | BOCA RATON | 9417 | — | Yes |
| 561-363 | WPALMBEACH | 073H | 2021-06-22 | Yes |
| 561-364 | BOYNTONBCH | 9417 | — | — |
| 561-365 | WPALMBEACH | 829J | 2017-06-30 | Yes |
| 561-366 | WPALMBEACH | 9417 | — | Yes |
| 561-367 | BOCA RATON | 9417 | — | Yes |
| 561-368 | BOCA RATON | 9417 | — | — |
| 561-369 | BOYNTONBCH | 9417 | — | Yes |
| 561-370 | WPALMBEACH | 6889 | 2005-07-22 | Yes |
| 561-371 | WPALMBEACH | 6214 | — | — |
| 561-372 | BOCA RATON | 829J | — | Yes |
| 561-373 | WPALMBEACH | 6214 | 2001-04-27 | — |
| 561-374 | BOYNTONBCH | 9417 | — | Yes |
| 561-375 | BOYNTONBCH | 9417 | — | Yes |
| 561-376 | DELRAY BCH | 5562 | — | Yes |
| 561-377 | WPALMBEACH | 6214 | 2018-05-23 | Yes |
| 561-378 | BOCA RATON | 6906 | — | — |
| 561-379 | WPALMBEACH | 6214 | 2001-04-27 | Yes |
| 561-380 | BOCA RATON | 6502 | 2018-08-13 | Yes |
| 561-381 | DELRAY BCH | 9417 | — | Yes |
| 561-382 | BOCA RATON | 6502 | 2018-08-14 | Yes |
| 561-383 | WPALMBEACH | 9417 | — | Yes |
| 561-384 | BOCA RATON | 6502 | 2018-08-14 | Yes |
| 561-385 | WPALMBEACH | 6214 | — | — |
| 561-386 | WPALMBEACH | 6214 | — | — |
| 561-387 | WPALMBEACH | 6630 | — | — |
| 561-388 | WPALMBEACH | 6889 | 2018-09-20 | Yes |
| 561-389 | WPALMBEACH | 6214 | — | — |
| 561-390 | BELLEGLADE | 6548 | — | — |
| 561-391 | BOCA RATON | 9417 | — | — |
| 561-392 | BOCA RATON | 9417 | — | — |
| 561-393 | BOCA RATON | 9417 | — | — |
| 561-394 | BOCA RATON | 9417 | — | — |
| 561-395 | BOCA RATON | 9417 | — | — |
| 561-396 | BOYNTONBCH | 8664 | — | Yes |
| 561-397 | BOCA RATON | 6502 | 2018-08-10 | Yes |
| 561-398 | WPALMBEACH | 6502 | 2007-03-19 | Yes |
| 561-399 | BOCA RATON | 6502 | 2018-08-10 | 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.