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 |
|---|---|---|---|---|---|
| 661-606 | T-MOBILE USA, INC. | 6529 | ARVIN | CA | |
| 661-674 | T-MOBILE USA, INC. | 6529 | LANCASTER | CA | |
| 661-675 | T-MOBILE USA, INC. | 6529 | PLDL PLDL | CA | |
| 661-685 | T-MOBILE USA, INC. | 6529 | ARVIN | CA | |
| 661-770 | T-MOBILE USA, INC. | 6529 | TAFT | CA | |
| 661-816 | T-MOBILE USA, INC. | 6529 | PLDL PLDL | CA | |
| 661-825 | T-MOBILE USA, INC. | 6529 | TEHACHAPI | CA | |
| 661-874 | T-MOBILE USA, INC. | 6529 | LANCASTER | CA | |
| 661-877 | T-MOBILE USA, INC. | 6529 | SNCA NHCS | CA | |
| 681-755 | T-MOBILE USA, INC. | 6529 | ANSTED | WV | |
| 682-248 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-365 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-465 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-472 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-521 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-551 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-552 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-553 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-554 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-556 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-557 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-558 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-559 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-560 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-561 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-597 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX | |
| 682-970 | T-MOBILE USA, INC. | 6529 | CLEBURNE | TX | |
| 702-203 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-204 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-205 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-208 | T-MOBILE USA, INC. | 6529 | LAUGHLIN | NV | |
| 702-210 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-245 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-300 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-303 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-349 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-355 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-400 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-401 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-416 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-420 | T-MOBILE USA, INC. | 6529 | LAUGHLIN | NV | |
| 702-429 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-443 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-491 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-510 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-527 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-561 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-581 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-591 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV | |
| 702-604 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
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.