All assignees
800 prefixes in 813 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 813-500 | TAMPA | 6701 | 2005-07-22 | Yes |
| 813-501 | TAMPANTH | 7448 | 2010-12-13 | Yes |
| 813-502 | TAMPAEST | 982E | 2012-12-03 | Yes |
| 813-503 | TAMPA | 6214 | 2001-05-03 | — |
| 813-504 | TAMPA | 6701 | — | Yes |
| 813-505 | TAMPA | 6214 | 2001-05-03 | — |
| 813-506 | TAMPA | 5562 | 2006-02-23 | Yes |
| 813-507 | TAMPA | 6701 | 2006-07-18 | Yes |
| 813-508 | TAMPA | 6214 | — | Yes |
| 813-509 | TAMPACEN | 6701 | 2013-01-10 | Yes |
| 813-510 | TAMPAWST | 902E | 2013-04-02 | Yes |
| 813-511 | XXXXXXXXXX | MULT | — | — |
| 813-512 | TAMPACEN | 6701 | 2013-01-31 | Yes |
| 813-513 | TAMPACEN | 937C | — | Yes |
| 813-514 | TAMPACEN | 829J | — | Yes |
| 813-515 | TAMPACEN | 982E | — | Yes |
| 813-516 | TAMPA | 5562 | 2005-10-11 | Yes |
| 813-517 | TAMPACEN | 6701 | 2013-04-30 | Yes |
| 813-518 | TAMPACEN | 6701 | 2013-08-14 | Yes |
| 813-519 | TAMPACEN | 937C | 2018-09-07 | Yes |
| 813-520 | TAMPACEN | 6502 | 2010-09-17 | Yes |
| 813-521 | TAMPACEN | 6701 | 2018-10-08 | Yes |
| 813-522 | TAMPANTH | 5562 | 2018-09-20 | Yes |
| 813-523 | TAMPA | 6502 | 2006-01-24 | Yes |
| 813-524 | TAMPACEN | 937C | 2019-01-11 | Yes |
| 813-525 | TAMPACEN | 813C | 2010-08-17 | Yes |
| 813-526 | TAMPA | 5562 | — | Yes |
| 813-527 | TAMPANTH | 6214 | 2006-05-19 | Yes |
| 813-528 | TAMPANTH | 6214 | 2006-09-18 | Yes |
| 813-529 | TAMPACEN | 7635 | 2011-07-19 | Yes |
| 813-530 | TAMPAEST | 508J | 2014-03-28 | Yes |
| 813-531 | TAMPA | 5562 | 2006-03-20 | Yes |
| 813-532 | TAMPA | 5562 | 2006-05-19 | Yes |
| 813-533 | TAMPACEN | 045L | 2015-05-20 | Yes |
| 813-534 | TAMPACEN | 937C | — | Yes |
| 813-535 | TAMPASTH | 902E | 2018-09-27 | Yes |
| 813-536 | TAMPANTH | 045L | 2017-06-08 | Yes |
| 813-537 | TAMPAWST | 6701 | 2018-10-08 | Yes |
| 813-538 | TAMPACEN | 073H | 2016-12-02 | Yes |
| 813-539 | TAMPACEN | 6502 | 2016-04-22 | Yes |
| 813-540 | TAMPAEST | 982E | 2014-04-04 | Yes |
| 813-541 | TAMPA | 6502 | — | Yes |
| 813-542 | TAMPACEN | 045L | 2017-06-08 | Yes |
| 813-543 | TAMPAWST | 045L | 2017-06-08 | Yes |
| 813-544 | TAMPACEN | 937C | 2017-08-08 | Yes |
| 813-545 | TAMPA | 6502 | — | — |
| 813-546 | TAMPACEN | 6214 | — | — |
| 813-547 | TAMPAWST | 5562 | 2016-12-06 | Yes |
| 813-548 | TAMPAEST | 045L | 2017-06-08 | Yes |
| 813-549 | TAMPACEN | 829J | — | Yes |
| 813-550 | TAMPACEN | 6214 | 2018-10-11 | Yes |
| 813-551 | TAMPAWST | 982E | 2014-09-25 | Yes |
| 813-552 | TAMPACEN | 0328 | — | — |
| 813-553 | TAMPANTH | 5562 | 2018-12-13 | Yes |
| 813-554 | TAMPACEN | 0328 | — | — |
| 813-555 | DIR ASST | MULT | — | — |
| 813-556 | TAMPACEN | 4802 | 2019-02-28 | Yes |
| 813-557 | TAMPACEN | 6502 | 2016-10-20 | Yes |
| 813-558 | TAMPACEN | 0328 | — | — |
| 813-559 | TAMPACEN | 8300 | 2014-12-24 | Yes |
| 813-560 | TAMPACEN | 6701 | 2019-05-02 | Yes |
| 813-561 | TAMPAWST | 624H | 2023-10-18 | Yes |
| 813-562 | TAMPA | 6701 | 2006-07-18 | Yes |
| 813-563 | TAMPANTH | 982E | 2014-04-10 | Yes |
| 813-564 | TAMPACEN | 6701 | 2019-05-15 | Yes |
| 813-565 | TAMPAEST | 937C | 2019-05-17 | Yes |
| 813-566 | TAMPASTH | 158H | 2018-10-30 | Yes |
| 813-567 | PLANT CITY | 7448 | — | Yes |
| 813-568 | TAMPACEN | 597F | 2019-06-20 | Yes |
| 813-569 | TAMPA | 7448 | — | Yes |
| 813-570 | TAMPACEN | 6701 | 2014-04-17 | Yes |
| 813-571 | TAMPAEST | 0328 | — | Yes |
| 813-572 | TAMPA | 6548 | — | — |
| 813-573 | TAMPACEN | 6701 | 2014-10-06 | Yes |
| 813-574 | TAMPACEN | 829J | 2005-12-29 | Yes |
| 813-575 | TAMPANTH | 4802 | 2014-11-26 | Yes |
| 813-576 | TAMPANTH | 6214 | 2019-06-28 | Yes |
| 813-577 | TAMPACEN | 704G | 2014-06-05 | Yes |
| 813-578 | PLANT CITY | 7421 | 2019-07-12 | Yes |
| 813-579 | TAMPACEN | 829J | 2005-03-01 | Yes |
| 813-580 | TAMPAWST | 6701 | 2014-11-10 | Yes |
| 813-581 | TAMPACEN | 8300 | 2019-07-16 | Yes |
| 813-582 | TAMPACEN | 6701 | 2019-08-28 | Yes |
| 813-583 | — | — | ||
| 813-584 | TAMPACEN | 0328 | — | — |
| 813-585 | TAMPACEN | 6701 | 2014-12-10 | Yes |
| 813-586 | TAMPACEN | 982E | 2015-03-26 | Yes |
| 813-587 | TAMPACEN | 8300 | 2019-10-22 | Yes |
| 813-588 | PLANT CITY | 6502 | 2020-09-28 | Yes |
| 813-589 | — | — | ||
| 813-590 | TAMPASTH | 6214 | 2020-03-26 | Yes |
| 813-591 | TAMPANTH | 982E | 2016-06-27 | Yes |
| 813-592 | TAMPAWST | 425J | 2020-04-29 | Yes |
| 813-593 | TAMPACEN | 5562 | 2020-08-19 | Yes |
| 813-594 | TAMPA | 829J | — | Yes |
| 813-595 | TAMPAEST | 197D | 2020-08-21 | Yes |
| 813-596 | TAMPANTH | 197D | 2020-08-25 | Yes |
| 813-597 | TAMPA | 829J | — | Yes |
| 813-598 | TAMPA | 6701 | — | — |
| 813-599 | TAMPACEN | 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.