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 |
|---|---|---|---|---|---|
| 801-979 | T-MOBILE USA, INC. | 6529 | SALT LAKE | UT | |
| 805-200 | T-MOBILE USA, INC. | 6529 | OXNARD | CA | |
| 805-205 | T-MOBILE USA, INC. | 6529 | OXNARD | CA | |
| 805-236 | T-MOBILE USA, INC. | 6529 | OXNARD | CA | |
| 805-259 | T-MOBILE USA, INC. | 6529 | SANBARBARA | CA | |
| 805-329 | T-MOBILE USA, INC. | 6529 | SNLUSOBSPO | CA | |
| 805-391 | T-MOBILE USA, INC. | 6529 | ATASCADERO | CA | |
| 805-431 | T-MOBILE USA, INC. | 6529 | SNLUSOBSPO | CA | |
| 805-506 | T-MOBILE USA, INC. | 6529 | THOUSAOAKS | CA | |
| 805-539 | T-MOBILE USA, INC. | 6529 | ATASCADERO | CA | |
| 805-732 | T-MOBILE USA, INC. | 6529 | THOUSAOAKS | CA | |
| 805-822 | T-MOBILE USA, INC. | 6529 | OXNARD | CA | |
| 805-857 | T-MOBILE USA, INC. | 6529 | THOUSAOAKS | CA | |
| 805-896 | T-MOBILE USA, INC. | 6529 | SANBARBARA | CA | |
| 805-904 | T-MOBILE USA, INC. | 6529 | ARROYOGRND | CA | |
| 805-905 | T-MOBILE USA, INC. | 6529 | THOUSAOAKS | CA | |
| 805-906 | T-MOBILE USA, INC. | 6529 | THOUSAOAKS | CA | |
| 805-908 | T-MOBILE USA, INC. | 6529 | THOUSAOAKS | CA | |
| 805-952 | T-MOBILE USA, INC. | 6529 | ATASCADERO | CA | |
| 805-953 | T-MOBILE USA, INC. | 6529 | THOUSAOAKS | CA | |
| 806-224 | T-MOBILE USA, INC. | 6529 | LUBBOCK | TX | |
| 806-438 | T-MOBILE USA, INC. | 6529 | LUBBOCK | TX | |
| 806-451 | T-MOBILE USA, INC. | 6529 | LUBBOCK | TX | |
| 806-535 | T-MOBILE USA, INC. | 6529 | LUBBOCK | TX | |
| 806-584 | T-MOBILE USA, INC. | 6529 | AMARILLO | TX | |
| 806-729 | T-MOBILE USA, INC. | 6529 | PLAINVIEW | TX | |
| 808-205 | T-MOBILE USA, INC. | 6529 | WAILUKU | HI | |
| 808-218 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-255 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-256 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-258 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-276 | T-MOBILE USA, INC. | 6529 | WAILUKU | HI | |
| 808-277 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-298 | T-MOBILE USA, INC. | 6529 | WAILUKU | HI | |
| 808-357 | T-MOBILE USA, INC. | 6529 | WAILUKU | HI | |
| 808-359 | T-MOBILE USA, INC. | 6529 | WAILUKU | HI | |
| 808-371 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-372 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-375 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-381 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-382 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-383 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-384 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-385 | T-MOBILE USA, INC. | 6529 | WAILUKU | HI | |
| 808-386 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-387 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-389 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-391 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-392 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI | |
| 808-429 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI |
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.