NumberResearchRecent prefix assignments
371 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
New assignments by month
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 940-548 | ONVOY, LLC - TX | 903C | QUANAH | TX | |
| 940-549 | SOUTHWESTERN BELL | 9533 | GRAHAM | TX | |
| 940-550 | SOUTHWESTERN BELL | 9533 | GRAHAM | TX | |
| 940-552 | SOUTHWESTERN BELL | 9533 | VERNON | TX | |
| 940-553 | SOUTHWESTERN BELL | 9533 | VERNON | TX | |
| 940-555 | MULTIPLE OCN LISTING | MULT | DIR ASST | TX | |
| 940-557 | SOUTHWESTERN BELL | 9533 | WICHITAFLS | TX | |
| 940-563 | VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW | 1163 | MEGARGEL | TX | |
| 940-564 | BRAZOS TEL. COOP., INC. | 2041 | OLNEY | TX | |
| 940-565 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-566 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-567 | SOUTHWESTERN BELL | 9533 | JACKSBORO | TX | |
| 940-569 | SOUTHWESTERN BELL | 9533 | BURKBURNTT | TX | |
| 940-573 | ONVOY, LLC - TX | 903C | JACKSBORO | TX | |
| 940-574 | BRAZOS TEL. COOP., INC. | 2041 | ARCHERCITY | TX | |
| 940-575 | BRIGHTSPEED OF EASTERN TEXAS, INC. | 2084 | RUNAWAYBAY | TX | |
| 940-585 | SANTA ROSA TEL COOP INC | 2141 | CEE VEE | TX | |
| 940-586 | VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW | 1163 | HOLLIDAY | TX | |
| 940-591 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-592 | SOUTHWESTERN BELL | 9533 | IOWA PARK | TX | |
| 940-594 | T-MOBILE USA, INC. | 6529 | DENTON | TX | |
| 940-595 | T-MOBILE USA, INC. | 6529 | DENTON | TX | |
| 940-597 | T-MOBILE USA, INC. | 6529 | DENTON | TX | |
| 940-611 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TX | |
| 940-612 | SOUTHWESTERN BELL | 9533 | GAINESVL | TX | |
| 940-613 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WICHITAFLS | TX | |
| 940-626 | BRIGHTSPEED OF TEXAS, INC. | 2114 | DECATUR | TX | |
| 940-627 | BRIGHTSPEED OF TEXAS, INC. | 2114 | DECATUR | TX | |
| 940-631 | UNITED STATES CELLULAR - TX | 6271 | WICHITAFLS | TX | |
| 940-632 | UNITED STATES CELLULAR - TX | 6271 | WICHITAFLS | TX | |
| 940-636 | UNITED STATES CELLULAR - TX | 6271 | WICHITAFLS | TX | |
| 940-637 | MUENSTER TELEPHONE CORP. OF TEXAS DBA NORTEX COMM | 2116 | VLY VIEW E | TX | |
| 940-642 | T-MOBILE USA, INC. | 6529 | WICHITAFLS | TX | |
| 940-644 | BRIGHTSPEED OF TEXAS, INC. | 2114 | CHICO | TX | |
| 940-648 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | JUSTIN | TX | |
| 940-654 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MINERLWLLS | TX | |
| 940-655 | SANTA ROSA TEL COOP INC | 2141 | THALIA | TX | |
| 940-658 | VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW | 1163 | KNOX CITY | TX | |
| 940-659 | BRIGHTSPEED OF EASTERN TEXAS, INC. | 2084 | PALO PINTO | TX | |
| 940-663 | SOUTHWESTERN BELL | 9533 | QUANAH | TX | |
| 940-664 | BRIGHTSPEED OF EASTERN TEXAS, INC. | 2084 | GRAFORD | TX | |
| 940-665 | SOUTHWESTERN BELL | 9533 | GAINESVL | TX | |
| 940-668 | SOUTHWESTERN BELL | 9533 | GAINESVL | TX | |
| 940-673 | VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW | 1163 | WEINERT | TX | |
| 940-674 | SANTA ROSA TEL COOP INC | 2141 | GOODLETT | TX | |
| 940-676 | SOUTHWESTERN BELL | 9533 | WICHITAFLS | TX | |
| 940-682 | BRIGHTSPEED OF EASTERN TEXAS, INC. | 2084 | MILLSAP | TX | |
| 940-683 | BRIGHTSPEED OF EASTERN TEXAS, INC. | 2084 | BRIDGEPORT | TX | |
| 940-684 | SANTA ROSA TEL COOP INC | 2141 | CROWELL | TX | |
| 940-686 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | PILOTPOINT | TX |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.