NumberResearchRecent prefix assignments
352 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
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
Aug 2026
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Dec 2025
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 956-758 | PEERLESS NETWORK OF TEXAS, LLC - TX | 177F | ENCINAL | TX | |
| 956-760 | SOUTHWESTERN BELL | 9533 | HARLINGEN | TX | |
| 956-761 | SOUTHWESTERN BELL | 9533 | PORTISABEL | TX | |
| 956-762 | COMMIO, LLC | 939H | MCALLEN | TX | |
| 956-763 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LAREDO | TX | |
| 956-764 | SOUTHWESTERN BELL | 9533 | LAREDO | TX | |
| 956-765 | SOUTHWESTERN BELL | 9533 | ZAPATA | TX | |
| 956-771 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LAREDO | TX | |
| 956-772 | SOUTHWESTERN BELL | 9533 | PORTISABEL | TX | |
| 956-778 | STPCS JOINT VENTURE, LLC | 4290 | HARLINGEN | TX | |
| 956-781 | SOUTHWESTERN BELL | 9533 | PHARR | TX | |
| 956-782 | SOUTHWESTERN BELL | 9533 | PHARR | TX | |
| 956-783 | SOUTHWESTERN BELL | 9533 | PHARR | TX | |
| 956-784 | SOUTHWESTERN BELL | 9533 | PHARR | TX | |
| 956-787 | SOUTHWESTERN BELL | 9533 | PHARR | TX | |
| 956-789 | STPCS JOINT VENTURE, LLC | 4290 | MCALLEN | TX | |
| 956-790 | SOUTHWESTERN BELL | 9533 | LAREDO | TX | |
| 956-791 | SOUTHWESTERN BELL | 9533 | LAREDO | TX | |
| 956-792 | STPCS JOINT VENTURE, LLC | 4290 | HARLINGEN | TX | |
| 956-793 | STPCS JOINT VENTURE, LLC | 4290 | HARLINGEN | TX | |
| 956-794 | SOUTHWESTERN BELL | 9533 | LAREDO | TX | |
| 956-795 | SOUTHWESTERN BELL | 9533 | LAREDO | TX | |
| 956-796 | SOUTHWESTERN BELL | 9533 | LAREDO | TX | |
| 956-797 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | LA FERIA | TX | |
| 956-799 | ALENCO COMMUNICATIONS, INC. | 2090 | DOLORES | TX | |
| 956-802 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | EDINBURG | TX | |
| 956-806 | TX | ||||
| 956-811 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TX | |
| 956-821 | STPCS JOINT VENTURE, LLC | 4290 | MCALLEN | TX | |
| 956-825 | SOUTHWESTERN BELL | 9533 | MERCEDES | TX | |
| 956-830 | TX | ||||
| 956-831 | SOUTHWESTERN BELL | 9533 | BROWNSVL | TX | |
| 956-832 | SOUTHWESTERN BELL | 9533 | BROWNSVL | TX | |
| 956-838 | SOUTHWESTERN BELL | 9533 | BROWNSVL | TX | |
| 956-842 | VALLEY TEL. COOP., INC. | 2159 | MCCOOK | TX | |
| 956-843 | SOUTHWESTERN BELL | 9533 | MCALLEN | TX | |
| 956-844 | STPCS JOINT VENTURE, LLC | 4290 | ROMA | TX | |
| 956-845 | VALLEY TEL. COOP., INC. | 2159 | HARGILL | TX | |
| 956-847 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | ROMA | TX | |
| 956-848 | SOUTHWESTERN BELL | 9533 | FALCON HTS | TX | |
| 956-849 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | ROMA | TX | |
| 956-854 | TWC IP ENABLED SERVICES, LLC | 793K | WESLACO | TX | |
| 956-857 | ONVOY, LLC - TX | 903C | LAREDO | TX | |
| 956-873 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HARLINGEN | TX | |
| 956-874 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | EDINBURG | TX | |
| 956-878 | STPCS JOINT VENTURE, LLC | 4290 | MCALLEN | TX | |
| 956-898 | STPCS JOINT VENTURE, LLC | 4290 | LAREDO | TX | |
| 956-911 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TX | |
| 956-926 | SOUTHWESTERN BELL | 9533 | MCALLEN | TX | |
| 956-928 | SOUTHWESTERN BELL | 9533 | MCALLEN | TX |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.