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 |
|---|---|---|---|---|---|
| 330-350 | T-MOBILE USA, INC. | 6529 | MEDINA | OH | |
| 330-351 | T-MOBILE USA, INC. | 6529 | AKRON | OH | |
| 330-352 | T-MOBILE USA, INC. | 6529 | AKRON | OH | |
| 330-353 | T-MOBILE USA, INC. | 6529 | CANTON | OH | |
| 330-354 | T-MOBILE USA, INC. | 6529 | HARTVILLE | OH | |
| 330-447 | T-MOBILE USA, INC. | 6529 | NEWPHLDLPH | OH | |
| 330-518 | T-MOBILE USA, INC. | 6529 | YOUNGSTOWN | OH | |
| 330-519 | T-MOBILE USA, INC. | 6529 | YOUNGSTOWN | OH | |
| 330-553 | T-MOBILE USA, INC. | 6529 | WARREN | OH | |
| 330-554 | T-MOBILE USA, INC. | 6529 | KENT | OH | |
| 330-559 | T-MOBILE USA, INC. | 6529 | YOUNGSTOWN | OH | |
| 330-573 | T-MOBILE USA, INC. | 6529 | AKRON | OH | |
| 330-581 | T-MOBILE USA, INC. | 6529 | ALLIANCE | OH | |
| 330-621 | T-MOBILE USA, INC. | 6529 | WOOSTER | OH | |
| 330-623 | T-MOBILE USA, INC. | 6529 | YOUNGSTOWN | OH | |
| 330-701 | T-MOBILE USA, INC. | 6529 | AKRON | OH | |
| 330-774 | T-MOBILE USA, INC. | 6529 | YOUNGSTOWN | OH | |
| 330-839 | T-MOBILE USA, INC. | 6529 | RAVENNA | OH | |
| 330-921 | T-MOBILE USA, INC. | 6529 | COLUMBIANA | OH | |
| 330-962 | T-MOBILE USA, INC. | 6529 | AKRON | OH | |
| 360-223 | T-MOBILE USA, INC. | 6529 | WHATCOMCTY | WA | |
| 360-239 | T-MOBILE USA, INC. | 6529 | OLYMPIA | WA | |
| 360-241 | T-MOBILE USA, INC. | 6529 | VANCOUVER | WA | |
| 360-250 | T-MOBILE USA, INC. | 6529 | OLYMPIA | WA | |
| 360-261 | T-MOBILE USA, INC. | 6529 | LONGVIEW | WA | |
| 360-281 | T-MOBILE USA, INC. | 6529 | VANCOUVER | WA | |
| 360-304 | T-MOBILE USA, INC. | 6529 | CHEHALIS | WA | |
| 360-310 | T-MOBILE USA, INC. | 6529 | ABERDEEN | WA | |
| 360-324 | T-MOBILE USA, INC. | 6529 | CHEHALIS | WA | |
| 360-326 | T-MOBILE USA, INC. | 6529 | VANCOUVER | WA | |
| 360-340 | T-MOBILE USA, INC. | 6529 | SILVERDALE | WA | |
| 360-349 | T-MOBILE USA, INC. | 6529 | OLYMPIA | WA | |
| 360-381 | T-MOBILE USA, INC. | 6529 | PTTOWNSEND | WA | |
| 360-402 | T-MOBILE USA, INC. | 6529 | OLYMPIA | WA | |
| 360-410 | T-MOBILE USA, INC. | 6529 | WHATCOMCTY | WA | |
| 360-441 | T-MOBILE USA, INC. | 6529 | WHATCOMCTY | WA | |
| 360-451 | T-MOBILE USA, INC. | 6529 | OLYMPIA | WA | |
| 360-513 | T-MOBILE USA, INC. | 6529 | VANCOUVER | WA | |
| 360-518 | T-MOBILE USA, INC. | 6529 | VANCOUVER | WA | |
| 360-521 | T-MOBILE USA, INC. | 6529 | VANCOUVER | WA | |
| 360-525 | T-MOBILE USA, INC. | 6529 | BREMERTON | WA | |
| 360-540 | T-MOBILE USA, INC. | 6529 | MT VERNON | WA | |
| 360-551 | T-MOBILE USA, INC. | 6529 | SILVERDALE | WA | |
| 360-610 | T-MOBILE USA, INC. | 6529 | MT VERNON | WA | |
| 360-643 | T-MOBILE USA, INC. | 6529 | PTTOWNSEND | WA | |
| 360-649 | T-MOBILE USA, INC. | 6529 | SILVERDALE | WA | |
| 360-670 | T-MOBILE USA, INC. | 6529 | PT ANGELES | WA | |
| 360-720 | T-MOBILE USA, INC. | 6529 | OAK HARBOR | WA | |
| 360-721 | T-MOBILE USA, INC. | 6529 | VANCOUVER | WA | |
| 360-771 | T-MOBILE USA, INC. | 6529 | VANCOUVER | 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.