All assignees
797 prefixes in 817 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 817-300 | ARLINGTON | 5562 | — | Yes |
| 817-301 | ARLINGTON | 7670 | — | Yes |
| 817-302 | FORT WORTH | 7229 | — | Yes |
| 817-303 | ARLINGTON | 9533 | — | Yes |
| 817-304 | WEATHERFD | 6534 | — | — |
| 817-305 | GRAPEVINE | 4344 | — | Yes |
| 817-306 | FORT WORTH | 9533 | — | — |
| 817-307 | ARLINGTON | 6534 | — | — |
| 817-308 | ARLINGTON | 6534 | — | — |
| 817-309 | GODLEY | 2153 | — | Yes |
| 817-310 | GRAPEVINE | 7726 | — | Yes |
| 817-311 | XXXXXXXXXX | MULT | — | — |
| 817-312 | ARLINGTON | 6534 | — | — |
| 817-313 | ARLINGTON | 6534 | — | — |
| 817-314 | FORT WORTH | 9533 | — | — |
| 817-315 | FORT WORTH | 9533 | — | — |
| 817-316 | GLENDALE | 9533 | — | — |
| 817-317 | FORT WORTH | 9533 | — | Yes |
| 817-318 | EULESS | 9533 | — | Yes |
| 817-319 | GLENDALE | 6534 | — | — |
| 817-320 | ARLINGTON | 6506 | — | — |
| 817-321 | FORT WORTH | 9533 | — | Yes |
| 817-322 | KELLER | 7670 | — | — |
| 817-323 | ARLINGTON | 9533 | — | Yes |
| 817-324 | ARLINGTON | 6534 | 2026-03-02 | Yes |
| 817-325 | ARLINGTON | 624H | 2023-08-22 | Yes |
| 817-326 | ACTON | 2153 | — | Yes |
| 817-327 | ARLINGTON | 6630 | — | — |
| 817-328 | GRAPEVINE | 903C | — | Yes |
| 817-329 | GRAPEVINE | 4344 | — | — |
| 817-330 | KENNEDALE | 903C | — | Yes |
| 817-331 | ARLINGTON | 6534 | 2025-11-05 | Yes |
| 817-332 | FORT WORTH | 9533 | — | — |
| 817-333 | FORT WORTH | 9533 | — | Yes |
| 817-334 | FORT WORTH | 9533 | — | — |
| 817-335 | FORT WORTH | 9533 | — | Yes |
| 817-336 | FORT WORTH | 9533 | — | — |
| 817-337 | KELLER | 4344 | — | — |
| 817-338 | FORT WORTH | 9533 | — | — |
| 817-339 | FORT WORTH | 9533 | — | Yes |
| 817-340 | ARLINGTON | 6630 | — | — |
| 817-341 | WEATHERFD | 9533 | — | Yes |
| 817-342 | ARLINGTON | 7516 | — | — |
| 817-343 | GLENDALE | 6534 | — | — |
| 817-344 | FORT WORTH | 7421 | — | Yes |
| 817-345 | NRICHLDHLS | 7421 | — | Yes |
| 817-346 | FORT WORTH | 9533 | — | — |
| 817-347 | FORT WORTH | 9533 | — | Yes |
| 817-348 | FORT WORTH | 9533 | — | — |
| 817-349 | FORT WORTH | 792K | — | Yes |
| 817-350 | FORT WORTH | 9533 | — | Yes |
| 817-351 | ARLINGTON | 6630 | — | — |
| 817-352 | FORT WORTH | 9533 | — | — |
| 817-353 | FORT WORTH | 7421 | — | Yes |
| 817-354 | EULESS | 9533 | — | — |
| 817-355 | EULESS | 9533 | — | — |
| 817-356 | ARLINGTON | 6591 | — | — |
| 817-357 | CLEBURNE | 6506 | — | Yes |
| 817-358 | EULESS | 9533 | — | — |
| 817-359 | EULESS | 9533 | — | — |
| 817-360 | GLENDALE | 6534 | — | — |
| 817-361 | FORT WORTH | 9533 | — | Yes |
| 817-362 | EULESS | 7670 | — | — |
| 817-363 | FORT WORTH | 7229 | 2010-05-11 | Yes |
| 817-365 | FORT WORTH | 7670 | — | — |
| 817-366 | ARLINGTON | 6534 | — | — |
| 817-367 | FORT WORTH | 9533 | — | Yes |
| 817-368 | ARLINGTON | 6534 | — | — |
| 817-369 | NRICHLDHLS | 7670 | — | Yes |
| 817-370 | FORT WORTH | 9533 | — | — |
| 817-371 | ARLINGTON | 6534 | — | — |
| 817-372 | GLENDALE | 6534 | 2004-10-04 | Yes |
| 817-373 | RIO VISTA | 2153 | — | Yes |
| 817-374 | WEATHERFD | 6114 | 2002-03-28 | Yes |
| 817-375 | ARLINGTON | 9533 | 2001-02-20 | — |
| 817-376 | ARLINGTON | 9533 | — | Yes |
| 817-377 | FORT WORTH | 9533 | — | — |
| 817-378 | FORT WORTH | 9533 | — | Yes |
| 817-379 | KELLER | 4344 | — | Yes |
| 817-380 | KELLER | 7670 | — | Yes |
| 817-381 | RENO | 6114 | — | Yes |
| 817-382 | SPRINGTOWN | 6114 | — | Yes |
| 817-383 | RHOME | 903C | — | Yes |
| 817-384 | FORT WORTH | 624H | 2022-08-12 | Yes |
| 817-385 | ARLINGTON | 9533 | — | Yes |
| 817-386 | FORT WORTH | 792K | — | Yes |
| 817-387 | FORT WORTH | 9533 | — | — |
| 817-388 | GRAPEVINE | 7726 | 2011-05-27 | Yes |
| 817-389 | GODLEY | 2153 | — | Yes |
| 817-390 | FORT WORTH | 9533 | — | Yes |
| 817-391 | EULESS | 7229 | — | Yes |
| 817-392 | FORT WORTH | 9533 | 2001-04-09 | — |
| 817-393 | NRICHLDHLS | 7229 | — | Yes |
| 817-394 | ARLINGTON | 7229 | — | Yes |
| 817-395 | GLENDALE | 7229 | — | Yes |
| 817-396 | CRESSON | 2153 | — | Yes |
| 817-397 | KELLER | 7670 | — | — |
| 817-398 | NRICHLDHLS | 7670 | — | Yes |
| 817-399 | EULESS | 9533 | — | — |
| 817-400 | GRAPEVINE | 903C | 2006-11-21 | 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.