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 |
|---|---|---|---|---|---|
| 936-334 | SOUTHWESTERN BELL | 9533 | LIBERTY | TX | |
| 936-336 | SOUTHWESTERN BELL | 9533 | LIBERTY | TX | |
| 936-340 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | DAYTON | TX | |
| 936-342 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | SARATOGA | TX | |
| 936-344 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | NEWWAVERLY | TX | |
| 936-346 | SOUTHWESTERN BELL | 9533 | LIBERTY | TX | |
| 936-347 | WINDSTREAM SUGAR LAND, LLC | 2147 | GARRISON | TX | |
| 936-348 | SOUTHWESTERN BELL | 9533 | MADISONVL | TX | |
| 936-349 | SOUTHWESTERN BELL | 9533 | MADISONVL | TX | |
| 936-361 | TX | ||||
| 936-362 | SOUTHWESTERN BELL | 9533 | CHIRENO | TX | |
| 936-365 | EASTEX TEL. COOP., INC. | 2068 | GOODRICH | TX | |
| 936-366 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LUFKIN | TX | |
| 936-367 | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | 7670 | DAYTON | TX | |
| 936-368 | EASTEX TEL. COOP., INC. | 2068 | HUXLEY | TX | |
| 936-369 | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | 1181 | REKLAW | TX | |
| 936-371 | METROPCS, INC. | 5562 | NACOGDOCHS | TX | |
| 936-372 | SOUTHWESTERN BELL | 9533 | WALLER | TX | |
| 936-377 | EASTEX TEL. COOP., INC. | 2068 | OAKHURST | TX | |
| 936-391 | AERIAL COMMUNICATIONS, INC. | 6701 | LIBERTY | TX | |
| 936-393 | ONVOY, LLC - TX | 903C | SARATOGA | TX | |
| 936-394 | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | 1181 | IOLA | TX | |
| 936-395 | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | 1181 | BEDIAS | TX | |
| 936-396 | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | 1181 | NORMANGEE | TX | |
| 936-398 | SOUTHWESTERN BELL | 9533 | CORRIGAN | TX | |
| 936-399 | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | 1181 | NORTHZULCH | TX | |
| 936-400 | ONVOY, LLC - TX | 903C | HUNTSVILLE | TX | |
| 936-409 | TX | ||||
| 936-411 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TX | |
| 936-414 | METROPCS, INC. | 5562 | LUFKIN | TX | |
| 936-419 | METROPCS, INC. | 5562 | PLANTERSVL | TX | |
| 936-422 | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | 1181 | HUNTINGTON | TX | |
| 936-425 | LIVINGSTON TEL. CO. | 2107 | LIVINGSTON | TX | |
| 936-427 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | CENTER | TX | |
| 936-430 | TX | ||||
| 936-432 | TX | ||||
| 936-435 | SOUTHWESTERN BELL | 9533 | HUNTSVILLE | TX | |
| 936-436 | SOUTHWESTERN BELL | 9533 | HUNTSVILLE | TX | |
| 936-437 | SOUTHWESTERN BELL | 9533 | HUNTSVILLE | TX | |
| 936-438 | SOUTHWESTERN BELL | 9533 | HUNTSVILLE | TX | |
| 936-439 | SOUTHWESTERN BELL | 9533 | HUNTSVILLE | TX | |
| 936-441 | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | 2109 | CONROE | TX | |
| 936-442 | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | 2109 | CONROE | TX | |
| 936-443 | AERIAL COMMUNICATIONS, INC. | 6701 | CONROE | TX | |
| 936-444 | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | 2109 | CONROE | TX | |
| 936-445 | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | 2109 | CONROE | TX | |
| 936-446 | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | 2109 | CONROE | TX | |
| 936-447 | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | 2109 | CONROE | TX | |
| 936-448 | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | 2109 | MONTGOMERY | TX | |
| 936-449 | CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY | 2109 | MONTGOMERY | 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.