All assignees
800 prefixes in 813 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 813-400 | TAMPACEN | 6701 | 2010-12-02 | Yes |
| 813-401 | TAMPA | 6701 | 2005-03-09 | Yes |
| 813-402 | TAMPACEN | 0328 | 2007-11-21 | Yes |
| 813-403 | TAMPAWST | 6701 | 2007-12-05 | Yes |
| 813-404 | TAMPA | 6502 | — | — |
| 813-405 | TAMPACEN | 6701 | 2008-06-19 | Yes |
| 813-406 | TAMPANTH | 6701 | 2008-04-02 | Yes |
| 813-407 | TAMPA | 6701 | 2005-08-16 | Yes |
| 813-408 | TAMPAWST | 5562 | 2008-04-29 | Yes |
| 813-409 | TAMPAEST | 5562 | 2009-02-17 | Yes |
| 813-410 | TAMPA | 5562 | 2007-03-01 | Yes |
| 813-411 | XXXXXXXXXX | MULT | — | — |
| 813-412 | TAMPA | 5562 | 2006-04-07 | Yes |
| 813-413 | TAMPAEST | 829J | 2001-08-30 | Yes |
| 813-414 | TAMPACEN | 0328 | — | Yes |
| 813-415 | TAMPACEN | 6502 | 2009-10-15 | Yes |
| 813-416 | TAMPA | 6502 | — | — |
| 813-417 | TAMPA | 6502 | — | — |
| 813-418 | TAMPACEN | 6214 | 2007-02-16 | Yes |
| 813-419 | TAMPASTH | 982E | 2010-07-21 | Yes |
| 813-420 | TAMPA | 6701 | 2006-02-01 | Yes |
| 813-421 | TAMPACEN | 982E | 2008-09-04 | Yes |
| 813-422 | TAMPACEN | 6502 | 2008-07-18 | Yes |
| 813-423 | TAMPAEST | 594D | 2009-02-19 | Yes |
| 813-424 | TAMPACEN | 6701 | 2012-08-23 | Yes |
| 813-425 | TAMPACEN | 8300 | 2005-04-15 | Yes |
| 813-426 | TAMPACEN | 6701 | — | Yes |
| 813-427 | ZEPHYRHILS | 6548 | — | — |
| 813-428 | TAMPANTH | 6214 | 2008-09-12 | Yes |
| 813-429 | TAMPA | 6548 | — | — |
| 813-430 | TAMPAWST | 937C | 2012-02-16 | Yes |
| 813-431 | TAMPA | 6502 | — | — |
| 813-432 | TAMPACEN | 7448 | — | — |
| 813-433 | TAMPAWST | 7635 | 2002-01-03 | Yes |
| 813-434 | TAMPASTH | 7635 | 2002-01-03 | Yes |
| 813-435 | TAMPANTH | 7635 | 2002-01-03 | Yes |
| 813-436 | TAMPAEST | 7635 | 2002-01-03 | Yes |
| 813-437 | TAMPACEN | 4802 | 2017-06-06 | Yes |
| 813-438 | TAMPAEST | 6701 | 2010-01-20 | Yes |
| 813-439 | TAMPACEN | 8300 | 2017-10-25 | Yes |
| 813-440 | TAMPACEN | 6502 | 2010-06-18 | Yes |
| 813-441 | PLANT CITY | 4802 | — | Yes |
| 813-442 | TAMPACEN | 045L | 2007-10-08 | Yes |
| 813-443 | TAMPACEN | 045L | 2008-12-23 | Yes |
| 813-444 | TAMPACEN | 902E | 2010-09-14 | Yes |
| 813-445 | TAMPAEST | 5562 | 2010-02-24 | Yes |
| 813-446 | TAMPA | 5562 | 2006-05-19 | Yes |
| 813-447 | TAMPA | 6502 | 2005-10-18 | Yes |
| 813-448 | TAMPAWST | 4802 | 2001-08-29 | Yes |
| 813-449 | TAMPACEN | 6214 | 2007-07-25 | Yes |
| 813-450 | TAMPACEN | 939H | 2017-06-08 | Yes |
| 813-451 | TAMPA | 6701 | — | Yes |
| 813-452 | TAMPACEN | 7635 | 2014-06-19 | Yes |
| 813-453 | TAMPA | 6701 | — | — |
| 813-454 | TAMPA | 018A | 2003-01-15 | Yes |
| 813-455 | TAMPACEN | 6502 | 2010-10-25 | Yes |
| 813-456 | TAMPACEN | 7635 | 2013-06-12 | Yes |
| 813-457 | TAMPACEN | 6630 | — | — |
| 813-458 | TAMPA | 5562 | 2005-11-22 | Yes |
| 813-459 | TAMPACEN | 6502 | 2017-03-06 | Yes |
| 813-460 | TAMPACEN | 6502 | 2017-11-29 | Yes |
| 813-461 | TAMPANTH | 6701 | 2017-03-28 | Yes |
| 813-462 | TAMPACEN | 5562 | — | Yes |
| 813-463 | TAMPACEN | 829J | 2006-04-04 | Yes |
| 813-464 | TAMPA | 6701 | 2005-09-16 | Yes |
| 813-465 | TAMPACEN | 6214 | 2006-10-09 | Yes |
| 813-466 | TAMPACEN | 6214 | 2006-10-09 | Yes |
| 813-467 | TAMPACEN | 181J | 2018-06-08 | Yes |
| 813-468 | TAMPACEN | 6214 | 2001-09-04 | Yes |
| 813-469 | ZEPHYRHILS | 6502 | — | Yes |
| 813-470 | TAMPACEN | 0328 | — | Yes |
| 813-471 | TAMPA | 829J | — | Yes |
| 813-472 | TAMPA | 7448 | — | Yes |
| 813-473 | PLANT CITY | 7448 | — | Yes |
| 813-474 | TAMPANTH | 594D | 2009-02-19 | Yes |
| 813-475 | TAMPAWST | 5562 | 2009-02-17 | Yes |
| 813-476 | TAMPA | 6214 | 2001-05-18 | Yes |
| 813-477 | TAMPA | 6701 | 2001-03-12 | Yes |
| 813-478 | PLANT CITY | 5562 | — | Yes |
| 813-479 | ZEPHYRHILS | 829J | — | Yes |
| 813-480 | TAMPA | 6502 | 2006-06-15 | Yes |
| 813-481 | TAMPAEST | 6701 | 2008-04-02 | Yes |
| 813-482 | TAMPANTH | 7448 | — | Yes |
| 813-483 | TAMPACEN | 0328 | — | Yes |
| 813-484 | TAMPA | 6701 | 2005-02-15 | Yes |
| 813-485 | TAMPACEN | 045L | 2018-04-17 | Yes |
| 813-486 | TAMPA | 6502 | 2002-10-16 | — |
| 813-487 | TAMPA | 7448 | — | — |
| 813-488 | TAMPACEN | 622J | — | Yes |
| 813-489 | TAMPASTH | 829J | — | Yes |
| 813-490 | TAMPA | 829J | — | — |
| 813-491 | TAMPAWST | 829J | — | Yes |
| 813-492 | TAMPAWST | 6701 | 2017-03-28 | Yes |
| 813-493 | TAMPA | 6502 | — | — |
| 813-494 | TAMPA | 6701 | — | Yes |
| 813-495 | TAMPA | 6701 | — | Yes |
| 813-496 | TAMPACEN | 0328 | — | Yes |
| 813-497 | TAMPACEN | 8300 | 2018-06-25 | Yes |
| 813-498 | TAMPACEN | 4802 | 2010-05-20 | Yes |
| 813-499 | TAMPACEN | 6214 | — | 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.