NumberResearchRecent prefix assignments
5 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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 870-806 | T-MOBILE USA, INC. | 6529 | BATESVILLE | AR | |
| 870-824 | T-MOBILE USA, INC. | 6529 | BLYTHEVL | AR | |
| 872-401 | T-MOBILE USA, INC. | 6529 | CHICGOZN07 | IL | |
| 903-220 | T-MOBILE USA, INC. | 6529 | LONGVIEW | TX | |
| 903-240 | T-MOBILE USA, INC. | 6529 | LONGVIEW | TX | |
| 903-272 | T-MOBILE USA, INC. | 6529 | PARIS | TX | |
| 903-275 | T-MOBILE USA, INC. | 6529 | ATHENS | TX | |
| 903-288 | T-MOBILE USA, INC. | 6529 | ATHENS | TX | |
| 903-352 | T-MOBILE USA, INC. | 6529 | TYLER | TX | |
| 903-355 | T-MOBILE USA, INC. | 6529 | GREENVILLE | TX | |
| 903-357 | T-MOBILE USA, INC. | 6529 | SHERMAN | TX | |
| 903-376 | T-MOBILE USA, INC. | 6529 | MINEOLA | TX | |
| 903-422 | T-MOBILE USA, INC. | 6529 | GREENVILLE | TX | |
| 903-423 | T-MOBILE USA, INC. | 6529 | GREENVILLE | TX | |
| 903-466 | T-MOBILE USA, INC. | 6529 | MT VERNON | TX | |
| 903-508 | T-MOBILE USA, INC. | 6529 | TYLER | TX | |
| 903-557 | T-MOBILE USA, INC. | 6529 | LONGVIEW | TX | |
| 903-618 | T-MOBILE USA, INC. | 6529 | OWENTOWN | TX | |
| 903-635 | T-MOBILE USA, INC. | 6529 | LONGVIEW | TX | |
| 903-651 | T-MOBILE USA, INC. | 6529 | WHITESBORO | TX | |
| 903-691 | T-MOBILE USA, INC. | 6529 | TEXARKANA | TX | |
| 903-742 | T-MOBILE USA, INC. | 6529 | MARSHALL | TX | |
| 903-744 | T-MOBILE USA, INC. | 6529 | SHERMAN | TX | |
| 903-749 | T-MOBILE USA, INC. | 6529 | TYLER | TX | |
| 903-819 | T-MOBILE USA, INC. | 6529 | SHERMAN | TX | |
| 903-851 | T-MOBILE USA, INC. | 6529 | CORSICANA | TX | |
| 909-268 | T-MOBILE USA, INC. | 6529 | ONTARIO | CA | |
| 909-362 | T-MOBILE USA, INC. | 6529 | HIGHLAND | CA | |
| 909-376 | T-MOBILE USA, INC. | 6529 | ONTARIO | CA | |
| 909-437 | T-MOBILE USA, INC. | 6529 | ONTARIO | CA | |
| 909-462 | T-MOBILE USA, INC. | 6529 | S BERNDINO | CA | |
| 909-489 | T-MOBILE USA, INC. | 6529 | ONTARIO | CA | |
| 909-496 | T-MOBILE USA, INC. | 6529 | S BERNDINO | CA | |
| 909-534 | T-MOBILE USA, INC. | 6529 | S BERNDINO | CA | |
| 909-589 | T-MOBILE USA, INC. | 6529 | CRESTLINE | CA | |
| 909-689 | T-MOBILE USA, INC. | 6529 | ETIWANDA | CA | |
| 909-721 | T-MOBILE USA, INC. | 6529 | ONTARIO | CA | |
| 909-772 | T-MOBILE USA, INC. | 6529 | ONTARIO | CA | |
| 909-805 | T-MOBILE USA, INC. | 6529 | MENTONE | CA | |
| 915-203 | T-MOBILE USA, INC. | 6529 | EL PASO | TX | |
| 915-204 | T-MOBILE USA, INC. | 6529 | EL PASO | TX | |
| 915-240 | T-MOBILE USA, INC. | 6529 | EL PASO | TX | |
| 915-241 | T-MOBILE USA, INC. | 6529 | EL PASO | TX | |
| 915-252 | T-MOBILE USA, INC. | 6529 | EL PASO | TX | |
| 915-253 | T-MOBILE USA, INC. | 6529 | EL PASO | TX | |
| 915-256 | T-MOBILE USA, INC. | 6529 | EL PASO | TX | |
| 915-274 | T-MOBILE USA, INC. | 6529 | EL PASO | TX | |
| 915-276 | T-MOBILE USA, INC. | 6529 | EL PASO | TX | |
| 915-328 | T-MOBILE USA, INC. | 6529 | EL PASO | TX | |
| 915-329 | T-MOBILE USA, INC. | 6529 | EL PASO | 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.