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
Sep 2026
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 940-293 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | DENTON | TX | |
| 940-294 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | ARGYLE | TX | |
| 940-295 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | BARTONVL | TX | |
| 940-297 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-300 | METROPCS, INC. | 5562 | DENTON | TX | |
| 940-305 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AUBREY | TX | |
| 940-311 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TX | |
| 940-320 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-321 | BRIGHTSPEED OF NORTHERN TEXAS, INC. | 2101 | LAKEDALLAS | TX | |
| 940-322 | SOUTHWESTERN BELL | 9533 | WICHITAFLS | TX | |
| 940-323 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-324 | BANDWIDTH.COM CLEC, LLC - TX | 004F | PILOTPOINT | TX | |
| 940-325 | SOUTHWESTERN BELL | 9533 | MINERLWLLS | TX | |
| 940-326 | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | 7670 | LAKEDALLAS | TX | |
| 940-327 | SOUTHWESTERN BELL | 9533 | MINERLWLLS | TX | |
| 940-328 | SOUTHWESTERN BELL | 9533 | MINERLWLLS | TX | |
| 940-330 | SOUTHWESTERN BELL | 9533 | WICHITAFLS | TX | |
| 940-339 | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | 7670 | JUSTIN | TX | |
| 940-341 | SOUTHWESTERN BELL | 9533 | WICHITAFLS | TX | |
| 940-342 | BRAZOS TEL. COOP., INC. | 2041 | JERMYN | TX | |
| 940-343 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | AUBREY | TX | |
| 940-345 | BRAZOS TEL. COOP., INC. | 2041 | WOODSON | TX | |
| 940-347 | UNITED STATES CELLULAR - TX | 6271 | SEYMOUR | TX | |
| 940-349 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-357 | SANTA ROSA TEL COOP INC | 2141 | LAKE KEMP | TX | |
| 940-362 | BRAZOS TEL. COOP., INC. | 2041 | ELIASVILLE | TX | |
| 940-365 | SOUTHWESTERN BELL | 9533 | AUBREY | TX | |
| 940-367 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DENTON | TX | |
| 940-368 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DENTON | TX | |
| 940-369 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-372 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | GAINESVL | TX | |
| 940-374 | BRIGHTSPEED OF EASTERN TEXAS, INC. | 2084 | JOPLIN | TX | |
| 940-378 | BRAZOS TEL. COOP., INC. | 2041 | LOVING | TX | |
| 940-380 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-381 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-382 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-383 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-384 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-386 | SOUTHWESTERN BELL | 9533 | WICHITAFLS | TX | |
| 940-387 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DENTON | TX | |
| 940-389 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DECATUR | TX | |
| 940-390 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DENTON | TX | |
| 940-391 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DENTON | TX | |
| 940-392 | BRAZOS TEL. COOP., INC. | 2041 | BRYSON | TX | |
| 940-393 | BRIGHTSPEED OF TEXAS, INC. | 2114 | DECATUR | TX | |
| 940-395 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DENTON | TX | |
| 940-397 | SOUTHWESTERN BELL | 9533 | WICHITAFLS | TX | |
| 940-398 | CSC VOICE, LLC | 612K | KRUM | TX | |
| 940-411 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TX | |
| 940-412 | ONVOY, LLC - TX | 903C | CHILLICOTH | 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.