NumberResearchRecent prefix assignments
369 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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 |
|---|---|---|---|---|---|
| 979-227 | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | 7670 | BELLVILLE | TX | |
| 979-228 | SPOK, INC. | 6630 | BRYAN | TX | |
| 979-229 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BRYAN | TX | |
| 979-230 | SOUTHWESTERN BELL | 9533 | FREEPORT | TX | |
| 979-233 | SOUTHWESTERN BELL | 9533 | FREEPORT | TX | |
| 979-234 | SOUTHWESTERN BELL | 9533 | EAGLE LAKE | TX | |
| 979-235 | SOUTHWESTERN BELL | 9533 | FREEPORT | TX | |
| 979-236 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FREEPORT | TX | |
| 979-237 | SOUTHWESTERN BELL | 9533 | FREEPORT | TX | |
| 979-238 | SOUTHWESTERN BELL | 9533 | FREEPORT | TX | |
| 979-239 | SOUTHWESTERN BELL | 9533 | FREEPORT | TX | |
| 979-240 | SOUTHWESTERN BELL | 9533 | BAY CITY | TX | |
| 979-241 | SOUTHWESTERN BELL | 9533 | BAY CITY | TX | |
| 979-242 | COLORADO VALLEY TEL. COOP., INC. | 2059 | PLUM | TX | |
| 979-244 | SOUTHWESTERN BELL | 9533 | BAY CITY | TX | |
| 979-245 | SOUTHWESTERN BELL | 9533 | BAY CITY | TX | |
| 979-247 | COLORADO VALLEY TEL. COOP., INC. | 2059 | HOSTYN | TX | |
| 979-249 | COLORADO VALLEY TEL. COOP., INC. | 2059 | WARRENTON | TX | |
| 979-251 | SOUTHWESTERN BELL | 9533 | BRENHAM | TX | |
| 979-254 | TEXAS COMMUNICATIONS, INC. | 6820 | FRANKLIN | TX | |
| 979-255 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BRYAN | TX | |
| 979-259 | SOUTHWESTERN BELL | 9533 | XXXXXXXXXX | TX | |
| 979-260 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | BRYAN | TX | |
| 979-263 | COLORADO VALLEY TEL. COOP., INC. | 2059 | BORDEN | TX | |
| 979-265 | SOUTHWESTERN BELL | 9533 | CLTLKJCKSN | TX | |
| 979-266 | SOUTHWESTERN BELL | 9533 | CLTLKJCKSN | TX | |
| 979-268 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | BRYAN | TX | |
| 979-272 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | SNOOKTUNIS | TX | |
| 979-277 | SOUTHWESTERN BELL | 9533 | BRENHAM | TX | |
| 979-278 | INDUSTRY TEL. CO. | 2093 | CARMINE | TX | |
| 979-279 | SOUTHWESTERN BELL | 9533 | HEARNE | TX | |
| 979-280 | SOUTHWESTERN BELL | 9533 | HEARNE | TX | |
| 979-281 | TX | ||||
| 979-282 | SOUTHWESTERN BELL | 9533 | WHARTON | TX | |
| 979-285 | SOUTHWESTERN BELL | 9533 | CLTLKJCKSN | TX | |
| 979-289 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 2154 | BURTON | TX | |
| 979-291 | BANDWIDTH.COM CLEC, LLC - TX | 004F | ANGLETON | TX | |
| 979-292 | SOUTHWESTERN BELL | 9533 | CLTLKJCKSN | TX | |
| 979-297 | SOUTHWESTERN BELL | 9533 | CLTLKJCKSN | TX | |
| 979-299 | SOUTHWESTERN BELL | 9533 | CLTLKJCKSN | TX | |
| 979-311 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TX | |
| 979-320 | ONVOY, LLC - TX | 903C | EL CAMPO | TX | |
| 979-323 | SOUTHWESTERN BELL | 9533 | BAY CITY | TX | |
| 979-324 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BRYAN | TX | |
| 979-330 | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | 7670 | BAY CITY | TX | |
| 979-332 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | EL CAMPO | TX | |
| 979-335 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | E BERNARD | TX | |
| 979-337 | SOUTHWESTERN BELL | 9533 | BRENHAM | TX | |
| 979-339 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | GARWOOD | TX | |
| 979-341 | PEERLESS NETWORK OF TEXAS, LLC - TX | 177F | CLTLKJCKSN | TX |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.