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 |
|---|---|---|---|---|---|
| 415-747 | T-MOBILE USA, INC. | 6529 | SAN RAFAEL | CA | |
| 415-797 | T-MOBILE USA, INC. | 6529 | BELVEDERE | CA | |
| 415-798 | T-MOBILE USA, INC. | 6529 | NOVATO | CA | |
| 415-850 | T-MOBILE USA, INC. | 6529 | SNFC CNTRL | CA | |
| 415-992 | T-MOBILE USA, INC. | 6529 | SNFC CNTRL | CA | |
| 419-295 | T-MOBILE USA, INC. | 6529 | MANSFIELD | OH | |
| 419-496 | T-MOBILE USA, INC. | 6529 | ASHLAND | OH | |
| 419-541 | T-MOBILE USA, INC. | 6529 | NORWALK | OH | |
| 419-610 | T-MOBILE USA, INC. | 6529 | MANSFIELD | OH | |
| 419-612 | T-MOBILE USA, INC. | 6529 | MANSFIELD | OH | |
| 419-677 | T-MOBILE USA, INC. | 6529 | NORWALK | OH | |
| 419-688 | T-MOBILE USA, INC. | 6529 | BUTLER | OH | |
| 419-689 | T-MOBILE USA, INC. | 6529 | BUCYRUS | OH | |
| 424-382 | T-MOBILE USA, INC. | 6529 | BEVERLYHLS | CA | |
| 425-221 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-232 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-244 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-246 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-260 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-268 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-269 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-273 | T-MOBILE USA, INC. | 6529 | BOTHELL | WA | |
| 425-280 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-319 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-345 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-346 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-350 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-351 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-442 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-443 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-444 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-445 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-471 | T-MOBILE USA, INC. | 6529 | BOTHELL | WA | |
| 425-508 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-531 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-591 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-625 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-652 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-750 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-754 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-761 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-766 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-772 | T-MOBILE USA, INC. | 6529 | HALLS LAKE | WA | |
| 425-773 | T-MOBILE USA, INC. | 6529 | HALLS LAKE | WA | |
| 425-780 | T-MOBILE USA, INC. | 6529 | BOTHELL | WA | |
| 425-829 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-830 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-864 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA | |
| 425-876 | T-MOBILE USA, INC. | 6529 | EVERETT | WA | |
| 425-891 | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA |
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.