NumberResearchRecent thousands-block assignments
66 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, last 30 days
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Block | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2022-01-05 | 747-488-0XXX | T-MOBILE USA, INC. | 6529 | SNFN SNFN | CA |
| 2022-01-05 | 747-488-1XXX | T-MOBILE USA, INC. | 6529 | SNFN SNFN | CA |
| 2022-01-05 | 747-488-2XXX | T-MOBILE USA, INC. | 6529 | SNFN SNFN | CA |
| 2022-01-05 | 747-488-3XXX | T-MOBILE USA, INC. | 6529 | SNFN SNFN | CA |
| 2022-01-05 | 928-450-0XXX | T-MOBILE USA, INC. | 6529 | BULLHEADCY | AZ |
| 2022-01-05 | 928-450-1XXX | T-MOBILE USA, INC. | 6529 | BULLHEADCY | AZ |
| 2022-01-05 | 928-450-6XXX | T-MOBILE USA, INC. | 6529 | BULLHEADCY | AZ |
| 2022-01-05 | 928-450-7XXX | T-MOBILE USA, INC. | 6529 | BULLHEADCY | AZ |
| 2022-01-05 | 928-588-8XXX | T-MOBILE USA, INC. | 6529 | WICKENBURG | AZ |
| 2022-01-05 | 945-218-1XXX | T-MOBILE USA, INC. | 6529 | DALLAS | TX |
| 2022-01-05 | 945-218-8XXX | T-MOBILE USA, INC. | 6529 | DALLAS | TX |
| 2022-01-05 | 945-455-0XXX | T-MOBILE USA, INC. | 6529 | IRVING | TX |
| 2022-01-05 | 945-468-4XXX | T-MOBILE USA, INC. | 6529 | DALLAS | TX |
| 2022-01-05 | 945-810-7XXX | T-MOBILE USA, INC. | 6529 | IRVING | TX |
| 2022-01-05 | 945-910-0XXX | T-MOBILE USA, INC. | 6529 | DALLAS | TX |
| 2022-01-05 | 945-910-1XXX | T-MOBILE USA, INC. | 6529 | DALLAS | TX |
| 2022-01-04 | 406-717-4XXX | T-MOBILE USA, INC. | 6529 | BILLINGS | MT |
| 2022-01-04 | 406-717-5XXX | T-MOBILE USA, INC. | 6529 | BILLINGS | MT |
| 2022-01-04 | 406-901-0XXX | T-MOBILE USA, INC. | 6529 | BILLINGS | MT |
| 2022-01-04 | 406-901-1XXX | T-MOBILE USA, INC. | 6529 | BILLINGS | MT |
| 2022-01-04 | 406-901-3XXX | T-MOBILE USA, INC. | 6529 | BILLINGS | MT |
| 2022-01-04 | 505-456-9XXX | T-MOBILE USA, INC. | 6529 | ALBUQURQUE | NM |
| 2022-01-04 | 505-475-0XXX | T-MOBILE USA, INC. | 6529 | ALBUQURQUE | NM |
| 2022-01-04 | 505-521-0XXX | T-MOBILE USA, INC. | 6529 | ALBUQURQUE | NM |
| 2022-01-04 | 505-521-4XXX | T-MOBILE USA, INC. | 6529 | ALBUQURQUE | NM |
| 2022-01-04 | 505-539-9XXX | T-MOBILE USA, INC. | 6529 | ALBUQURQUE | NM |
| 2022-01-04 | 505-810-1XXX | T-MOBILE USA, INC. | 6529 | ALBUQURQUE | NM |
| 2022-01-04 | 505-810-2XXX | T-MOBILE USA, INC. | 6529 | ALBUQURQUE | NM |
| 2022-01-04 | 505-810-3XXX | T-MOBILE USA, INC. | 6529 | ALBUQURQUE | NM |
| 2022-01-04 | 505-810-4XXX | T-MOBILE USA, INC. | 6529 | ALBUQURQUE | NM |
| 2022-01-04 | 505-910-1XXX | T-MOBILE USA, INC. | 6529 | ALBUQURQUE | NM |
| 2022-01-04 | 563-307-4XXX | T-MOBILE USA, INC. | 6529 | DUBUQUE | IA |
| 2022-01-04 | 563-307-5XXX | T-MOBILE USA, INC. | 6529 | DUBUQUE | IA |
| 2022-01-04 | 563-307-6XXX | T-MOBILE USA, INC. | 6529 | DUBUQUE | IA |
| 2022-01-04 | 563-307-7XXX | T-MOBILE USA, INC. | 6529 | DUBUQUE | IA |
| 2022-01-04 | 563-307-9XXX | T-MOBILE USA, INC. | 6529 | DUBUQUE | IA |
| 2022-01-04 | 775-292-5XXX | T-MOBILE USA, INC. | 6529 | GARDNERVL | NV |
| 2022-01-04 | 775-292-6XXX | T-MOBILE USA, INC. | 6529 | GARDNERVL | NV |
| 2022-01-04 | 775-292-7XXX | T-MOBILE USA, INC. | 6529 | GARDNERVL | NV |
| 2021-12-30 | 870-752-1XXX | T-MOBILE USA, INC. | 6529 | BRINKLEY | AR |
| 2021-12-28 | 254-483-0XXX | T-MOBILE USA, INC. | 6529 | TEMPLE | TX |
| 2021-12-23 | 469-728-9XXX | T-MOBILE USA, INC. | 6529 | FORNEY | TX |
| 2021-12-23 | 469-864-5XXX | T-MOBILE USA, INC. | 6529 | FORNEY | TX |
| 2021-12-23 | 945-386-2XXX | T-MOBILE USA, INC. | 6529 | FORNEY | TX |
| 2021-12-23 | 945-386-4XXX | T-MOBILE USA, INC. | 6529 | FORNEY | TX |
| 2021-12-23 | 945-386-5XXX | T-MOBILE USA, INC. | 6529 | FORNEY | TX |
| 2021-12-23 | 945-386-9XXX | T-MOBILE USA, INC. | 6529 | FORNEY | TX |
| 2021-12-22 | 224-382-2XXX | T-MOBILE USA, INC. | 6529 | GLENVIEW | IL |
| 2021-12-22 | 224-382-3XXX | T-MOBILE USA, INC. | 6529 | GLENVIEW | IL |
| 2021-12-22 | 224-382-4XXX | T-MOBILE USA, INC. | 6529 | GLENVIEW | IL |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.