All assignees
797 prefixes in 817 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 817-401 | ARLINGTON | 6529 | — | Yes |
| 817-402 | ALVARADO | 7148 | 2010-01-11 | Yes |
| 817-403 | DENTON | 6506 | — | — |
| 817-404 | ARLINGTON | 9533 | — | Yes |
| 817-405 | MANSFIELD | 6114 | — | Yes |
| 817-406 | AZLE | 004F | — | Yes |
| 817-407 | ARLINGTON | 9748 | — | — |
| 817-408 | GRANBURY | 9533 | — | Yes |
| 817-409 | ALVARADO | 6114 | — | Yes |
| 817-410 | GRAPEVINE | 4344 | — | — |
| 817-411 | XXXXXXXXXX | MULT | — | — |
| 817-412 | ARLINGTON | 9533 | — | Yes |
| 817-413 | FORT WORTH | 9533 | — | Yes |
| 817-414 | GRAPEVINE | 6630 | — | — |
| 817-415 | FORT WORTH | 9533 | — | Yes |
| 817-416 | GRAPEVINE | 4344 | — | — |
| 817-417 | ARLINGTON | 9533 | — | Yes |
| 817-418 | ARLINGTON | 9748 | — | — |
| 817-419 | ARLINGTON | 9533 | — | — |
| 817-420 | FORT WORTH | 9533 | — | Yes |
| 817-421 | GRAPEVINE | 4344 | — | — |
| 817-422 | ARLINGTON | 6114 | 2002-01-15 | Yes |
| 817-423 | FORT WORTH | 9533 | — | Yes |
| 817-424 | GRAPEVINE | 4344 | — | — |
| 817-425 | ARLINGTON | 9748 | 2001-04-19 | — |
| 817-426 | FORT WORTH | 9533 | — | — |
| 817-427 | NRICHLDHLS | 9533 | — | Yes |
| 817-428 | NRICHLDHLS | 9533 | — | — |
| 817-429 | GLENDALE | 9533 | — | — |
| 817-430 | ROANOKE | 9533 | — | — |
| 817-431 | KELLER | 4344 | — | — |
| 817-432 | ARLINGTON | 9748 | 2001-04-19 | — |
| 817-433 | FORT WORTH | 9533 | — | — |
| 817-434 | ARLINGTON | 9748 | 2001-04-19 | — |
| 817-435 | MANSFIELD | 829J | — | Yes |
| 817-436 | ARLINGTON | 9533 | — | — |
| 817-437 | ARLINGTON | 6534 | 2001-01-16 | — |
| 817-438 | EULESS | 7421 | — | Yes |
| 817-439 | FORT WORTH | 9533 | — | Yes |
| 817-440 | ATLAS | 7229 | 2002-10-30 | Yes |
| 817-441 | FORT WORTH | 9533 | — | Yes |
| 817-442 | GRAPEVINE | 4344 | — | Yes |
| 817-443 | FORT WORTH | 9533 | — | Yes |
| 817-444 | AZLE | 4344 | — | — |
| 817-445 | EULESS | 7516 | 2002-01-10 | — |
| 817-446 | GLENDALE | 9533 | — | Yes |
| 817-447 | FORT WORTH | 9533 | — | — |
| 817-448 | FORT WORTH | 9533 | — | Yes |
| 817-449 | ARLINGTON | 9533 | — | Yes |
| 817-450 | FORT WORTH | 490J | 2025-05-13 | Yes |
| 817-451 | GLENDALE | 9533 | — | — |
| 817-452 | ARLINGTON | 9748 | 2001-04-19 | — |
| 817-453 | MANSFIELD | 9533 | — | — |
| 817-454 | GLENDALE | 6534 | — | — |
| 817-455 | ARLINGTON | 6506 | — | — |
| 817-456 | ARLINGTON | 6506 | — | — |
| 817-457 | GLENDALE | 9533 | — | — |
| 817-458 | WEATHERFD | 671J | — | Yes |
| 817-459 | ARLINGTON | 9533 | — | — |
| 817-460 | ARLINGTON | 9533 | — | Yes |
| 817-461 | ARLINGTON | 9533 | — | — |
| 817-462 | ARLINGTON | 9533 | — | — |
| 817-463 | FORT WORTH | 7670 | — | — |
| 817-464 | ROANOKE | 7670 | — | Yes |
| 817-465 | ARLINGTON | 9533 | — | — |
| 817-466 | ARLINGTON | 9533 | — | Yes |
| 817-467 | ARLINGTON | 9533 | — | — |
| 817-468 | ARLINGTON | 9533 | — | — |
| 817-469 | ARLINGTON | 9533 | — | — |
| 817-470 | ARLINGTON | 6506 | 2008-03-26 | Yes |
| 817-471 | ARLINGTON | 6506 | 2008-01-07 | Yes |
| 817-472 | ARLINGTON | 9533 | — | — |
| 817-473 | MANSFIELD | 9533 | — | — |
| 817-474 | ROANOKE | 9533 | — | Yes |
| 817-475 | GLENDALE | 6534 | — | — |
| 817-476 | KENNEDALE | 829J | — | Yes |
| 817-477 | MANSFIELD | 9533 | — | Yes |
| 817-478 | KENNEDALE | 9533 | — | — |
| 817-479 | NRICHLDHLS | 903C | — | Yes |
| 817-480 | GLENDALE | 6534 | — | — |
| 817-481 | GRAPEVINE | 4344 | — | — |
| 817-482 | KELLER | 4344 | — | Yes |
| 817-483 | KENNEDALE | 9533 | — | — |
| 817-484 | FORT WORTH | 8253 | — | Yes |
| 817-485 | NRICHLDHLS | 9533 | — | — |
| 817-486 | GRAPEVINE | 7670 | — | — |
| 817-487 | CLEBURNE | 8253 | 2001-04-18 | Yes |
| 817-488 | GRAPEVINE | 4344 | — | — |
| 817-489 | FORT WORTH | 9533 | — | Yes |
| 817-490 | ROANOKE | 9533 | — | — |
| 817-491 | ROANOKE | 9533 | — | — |
| 817-492 | GLENDALE | 9533 | — | Yes |
| 817-493 | ARLINGTON | 9533 | — | — |
| 817-494 | EULESS | 9533 | — | Yes |
| 817-495 | FORT WORTH | 9533 | — | Yes |
| 817-496 | GLENDALE | 9533 | — | — |
| 817-497 | ROANOKE | 7670 | — | Yes |
| 817-498 | NRICHLDHLS | 9533 | — | — |
| 817-499 | ARLINGTON | 6630 | — | — |
| 817-500 | NRICHLDHLS | 6114 | — | 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.