NumberResearchRecent prefix assignments
5 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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 425-931 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-971 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 432-816 | T-MOBILE USA, INC. | 6529 | BIG SPRING | TX | |
| 435-229 | T-MOBILE USA, INC. | 6529 | ST GEORGE | UT | |
| 435-232 | T-MOBILE USA, INC. | 6529 | LOGAN | UT | |
| 435-237 | T-MOBILE USA, INC. | 6529 | BRIGHAM CY | UT | |
| 435-241 | T-MOBILE USA, INC. | 6529 | TOOELE | UT | |
| 435-267 | T-MOBILE USA, INC. | 6529 | CEDAR CITY | UT | |
| 435-294 | T-MOBILE USA, INC. | 6529 | LOGAN | UT | |
| 435-496 | T-MOBILE USA, INC. | 6529 | TOOELE | UT | |
| 435-512 | T-MOBILE USA, INC. | 6529 | LOGAN | UT | |
| 435-513 | T-MOBILE USA, INC. | 6529 | PARK CITY | UT | |
| 435-531 | T-MOBILE USA, INC. | 6529 | CEDAR CITY | UT | |
| 435-602 | T-MOBILE USA, INC. | 6529 | PARK CITY | UT | |
| 435-701 | T-MOBILE USA, INC. | 6529 | CEDAR CITY | UT | |
| 435-703 | T-MOBILE USA, INC. | 6529 | ST GEORGE | UT | |
| 435-705 | T-MOBILE USA, INC. | 6529 | ST GEORGE | UT | |
| 435-714 | T-MOBILE USA, INC. | 6529 | PARK CITY | UT | |
| 435-731 | T-MOBILE USA, INC. | 6529 | PARK CITY | UT | |
| 435-764 | T-MOBILE USA, INC. | 6529 | LOGAN | UT | |
| 435-850 | T-MOBILE USA, INC. | 6529 | TOOELE | UT | |
| 435-962 | T-MOBILE USA, INC. | 6529 | PARK CITY | UT | |
| 435-994 | T-MOBILE USA, INC. | 6529 | LOGAN | UT | |
| 440-228 | T-MOBILE USA, INC. | 6529 | ASHTABULA | OH | |
| 440-258 | T-MOBILE USA, INC. | 6529 | LORAIN | OH | |
| 440-263 | T-MOBILE USA, INC. | 6529 | BEREA | OH | |
| 440-265 | T-MOBILE USA, INC. | 6529 | CONNEAUT | OH | |
| 440-336 | T-MOBILE USA, INC. | 6529 | WILLOUGHBY | OH | |
| 440-339 | T-MOBILE USA, INC. | 6529 | PAINESVL | OH | |
| 440-343 | T-MOBILE USA, INC. | 6529 | WILLOUGHBY | OH | |
| 440-452 | T-MOBILE USA, INC. | 6529 | ELYRIA | OH | |
| 440-453 | T-MOBILE USA, INC. | 6529 | ELYRIA | OH | |
| 440-503 | T-MOBILE USA, INC. | 6529 | BEREA | OH | |
| 440-574 | T-MOBILE USA, INC. | 6529 | OBERLIN | OH | |
| 440-653 | T-MOBILE USA, INC. | 6529 | AVON LAKE | OH | |
| 440-742 | T-MOBILE USA, INC. | 6529 | WILLOUGHBY | OH | |
| 440-796 | T-MOBILE USA, INC. | 6529 | PAINESVL | OH | |
| 440-915 | T-MOBILE USA, INC. | 6529 | BEREA | OH | |
| 442-238 | T-MOBILE USA, INC. | 6529 | EL CENTRO | CA | |
| 442-423 | T-MOBILE USA, INC. | 6529 | LKISABELLA | CA | |
| 442-456 | T-MOBILE USA, INC. | 6529 | EL CENTRO | CA | |
| 469-222 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 469-223 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 469-231 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 469-233 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 469-235 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 469-358 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 469-360 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 469-363 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 469-396 | T-MOBILE USA, INC. | 6529 | MCKINNEY | 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.