All assignees
799 prefixes in 713 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 713-400 | HOUSTON | 903C | — | — |
| 713-401 | HOUSTON | 7239 | — | Yes |
| 713-402 | HOUSTON | 9533 | — | Yes |
| 713-403 | HOUSTON | 9533 | — | — |
| 713-404 | HOUSTON | 6630 | — | — |
| 713-405 | HOUSTON | 9533 | — | Yes |
| 713-406 | HOUSTON | 6630 | — | — |
| 713-407 | HOUSTON | 9533 | — | — |
| 713-408 | HOUSTON | 6534 | — | Yes |
| 713-409 | HOUSTON | 6534 | — | — |
| 713-410 | HOUSTON | 6534 | 2001-05-08 | — |
| 713-411 | XXXXXXXXXX | MULT | — | — |
| 713-412 | HOUSTON | 6534 | — | — |
| 713-413 | HOUSTON | 9533 | — | Yes |
| 713-414 | HOUSTON | 9533 | — | — |
| 713-415 | HOUSTON | 6630 | — | — |
| 713-416 | HOUSTON | 6534 | 2001-05-08 | — |
| 713-417 | HOUSTON | 6534 | — | — |
| 713-418 | HOUSTON | 9533 | — | Yes |
| 713-419 | HOUSTON | 6534 | 2001-05-08 | — |
| 713-420 | HOUSTON | 9533 | — | Yes |
| 713-421 | HOUSTON | 6591 | — | — |
| 713-422 | HOUSTON | 9533 | — | Yes |
| 713-423 | HOUSTON | 7239 | — | Yes |
| 713-424 | BAYTOWN | 903C | 2022-05-04 | Yes |
| 713-425 | HOUSTON | 7239 | — | Yes |
| 713-426 | HOUSTON | 9533 | — | — |
| 713-427 | HOUSTON | 9533 | — | Yes |
| 713-428 | HOUSTON | 9533 | — | Yes |
| 713-429 | HOUSTON | 6114 | 2005-03-14 | Yes |
| 713-430 | HOUSTON | 9533 | — | Yes |
| 713-431 | HOUSTON | 7138 | — | Yes |
| 713-432 | HOUSTON | 9533 | — | Yes |
| 713-433 | HOUSTON | 9533 | — | — |
| 713-434 | HOUSTON | 9533 | — | Yes |
| 713-435 | HOUSTON | 9533 | — | Yes |
| 713-436 | HSTNSUBURB | 9533 | — | — |
| 713-437 | HOUSTON | 9533 | — | Yes |
| 713-438 | HOUSTON | 9533 | — | Yes |
| 713-439 | HOUSTON | 9533 | — | — |
| 713-440 | HOUSTON | 9533 | — | Yes |
| 713-441 | HOUSTON | 7074 | — | — |
| 713-442 | HOUSTON | 9533 | — | — |
| 713-443 | HOUSTON | 5562 | — | Yes |
| 713-444 | HOUSTON | 6534 | — | — |
| 713-445 | HOUSTON | 9533 | 2001-12-11 | Yes |
| 713-446 | HOUSTON | 6701 | — | Yes |
| 713-447 | HOUSTON | 6534 | — | — |
| 713-448 | HOUSTON | 9533 | — | Yes |
| 713-449 | HOUSTON | 6534 | — | — |
| 713-450 | HOUSTON | 9533 | — | — |
| 713-451 | HOUSTON | 9533 | — | — |
| 713-452 | HOUSTON | 7074 | 2008-04-29 | Yes |
| 713-453 | HOUSTON | 9533 | — | Yes |
| 713-454 | HOUSTON | 9533 | — | Yes |
| 713-455 | HOUSTON | 9533 | — | — |
| 713-456 | HOUSTON | 9533 | — | Yes |
| 713-457 | HOUSTON | 7074 | — | — |
| 713-458 | HOUSTON | 9533 | — | Yes |
| 713-459 | HOUSTON | 6701 | — | — |
| 713-460 | HOUSTON | 9533 | — | — |
| 713-461 | HOUSTON | 9533 | — | — |
| 713-462 | HOUSTON | 9533 | — | Yes |
| 713-463 | HOUSTON | 9533 | — | — |
| 713-464 | HOUSTON | 9533 | — | — |
| 713-465 | HOUSTON | 9533 | — | — |
| 713-466 | HSTNSUBURB | 9533 | — | — |
| 713-467 | HOUSTON | 9533 | — | — |
| 713-468 | HOUSTON | 9533 | — | — |
| 713-469 | HOUSTON | 9533 | 2008-09-05 | Yes |
| 713-470 | HOUSTON | 7239 | — | Yes |
| 713-471 | HOUSTON | 6534 | — | — |
| 713-472 | HOUSTON | 9533 | — | Yes |
| 713-473 | HOUSTON | 9533 | — | — |
| 713-474 | HSTNSUBURB | 7670 | — | Yes |
| 713-475 | HOUSTON | 9533 | — | — |
| 713-476 | HOUSTON | 9533 | — | Yes |
| 713-477 | HOUSTON | 9533 | — | — |
| 713-478 | HOUSTON | 6701 | — | — |
| 713-479 | HOUSTON | 9533 | — | — |
| 713-480 | HOUSTON | 6701 | — | — |
| 713-481 | HOUSTON | 6114 | — | Yes |
| 713-482 | HSTNSUBURB | 7074 | — | Yes |
| 713-483 | HOUSTON | 9533 | — | Yes |
| 713-484 | HOUSTON | 9533 | — | Yes |
| 713-485 | HOUSTON | 6506 | 2008-12-10 | Yes |
| 713-486 | HOUSTON | 7074 | 2008-07-22 | Yes |
| 713-487 | HOUSTON | 671J | 2009-10-22 | Yes |
| 713-488 | HOUSTON | 9533 | — | — |
| 713-489 | HOUSTON | 004F | 2008-11-21 | Yes |
| 713-490 | HOUSTON | 7229 | — | — |
| 713-491 | HOUSTON | 9533 | — | Yes |
| 713-492 | HOUSTON | 6534 | 2001-01-18 | Yes |
| 713-493 | HOUSTON | 6114 | — | Yes |
| 713-494 | HOUSTON | 6534 | — | — |
| 713-495 | HOUSTON | 9533 | — | — |
| 713-496 | HOUSTON | 903C | — | Yes |
| 713-497 | HOUSTON | 9533 | 2002-03-07 | Yes |
| 713-498 | HOUSTON | 6701 | — | — |
| 713-499 | HOUSTON | 9533 | — | 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.