NumberResearchRecent thousands-block assignments
76 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/18/2026
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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Apr 2026
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Oct 2025
| Assigned | Block | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2003-09-11 | 661-236-6XXX | T-MOBILE USA, INC. | 6529 | PLDL PLDL | CA |
| 2003-09-11 | 661-236-7XXX | T-MOBILE USA, INC. | 6529 | PLDL PLDL | CA |
| 2003-09-11 | 661-236-8XXX | T-MOBILE USA, INC. | 6529 | PLDL PLDL | CA |
| 2003-09-11 | 805-259-5XXX | T-MOBILE USA, INC. | 6529 | SANBARBARA | CA |
| 2003-09-11 | 805-259-6XXX | T-MOBILE USA, INC. | 6529 | SANBARBARA | CA |
| 2003-09-11 | 847-376-0XXX | T-MOBILE USA, INC. | 6529 | DESPLAINES | IL |
| 2003-09-11 | 847-376-1XXX | T-MOBILE USA, INC. | 6529 | DESPLAINES | IL |
| 2003-09-11 | 847-493-9XXX | T-MOBILE USA, INC. | 6529 | DESPLAINES | IL |
| 2003-09-11 | 847-544-1XXX | T-MOBILE USA, INC. | 6529 | DESPLAINES | IL |
| 2003-09-11 | 847-627-0XXX | T-MOBILE USA, INC. | 6529 | DESPLAINES | IL |
| 2003-09-11 | 847-627-9XXX | T-MOBILE USA, INC. | 6529 | DESPLAINES | IL |
| 2003-09-10 | 214-229-8XXX | T-MOBILE USA, INC. | 6529 | DALLAS | TX |
| 2003-09-10 | 214-317-7XXX | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX |
| 2003-09-10 | 214-317-8XXX | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX |
| 2003-09-10 | 214-687-1XXX | T-MOBILE USA, INC. | 6529 | IRVING | TX |
| 2003-09-10 | 214-687-2XXX | T-MOBILE USA, INC. | 6529 | IRVING | TX |
| 2003-09-10 | 214-687-6XXX | T-MOBILE USA, INC. | 6529 | IRVING | TX |
| 2003-09-10 | 214-687-7XXX | T-MOBILE USA, INC. | 6529 | IRVING | TX |
| 2003-09-10 | 415-200-5XXX | T-MOBILE USA, INC. | 6529 | SNFC CNTRL | CA |
| 2003-09-10 | 512-652-8XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2003-09-10 | 715-207-8XXX | T-MOBILE USA, INC. | 6529 | MARSHFIELD | WI |
| 2003-09-10 | 817-532-2XXX | T-MOBILE USA, INC. | 6529 | EULESS | TX |
| 2003-09-10 | 817-532-7XXX | T-MOBILE USA, INC. | 6529 | EULESS | TX |
| 2003-09-10 | 817-532-8XXX | T-MOBILE USA, INC. | 6529 | EULESS | TX |
| 2003-09-09 | 310-971-5XXX | T-MOBILE USA, INC. | 6529 | SAN PEDRO | CA |
| 2003-09-09 | 513-276-3XXX | T-MOBILE USA, INC. | 6529 | CINCINNATI | OH |
| 2003-09-09 | 513-276-5XXX | T-MOBILE USA, INC. | 6529 | CINCINNATI | OH |
| 2003-09-09 | 724-685-1XXX | T-MOBILE USA, INC. | 6529 | SHARON | PA |
| 2003-09-05 | 312-479-5XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN01 | IL |
| 2003-09-05 | 630-281-0XXX | T-MOBILE USA, INC. | 6529 | NAPERVILLE | IL |
| 2003-09-05 | 630-335-6XXX | T-MOBILE USA, INC. | 6529 | NAPERVILLE | IL |
| 2003-09-05 | 630-649-3XXX | T-MOBILE USA, INC. | 6529 | NAPERVILLE | IL |
| 2003-09-05 | 630-885-7XXX | T-MOBILE USA, INC. | 6529 | NAPERVILLE | IL |
| 2003-09-05 | 630-885-8XXX | T-MOBILE USA, INC. | 6529 | NAPERVILLE | IL |
| 2003-09-05 | 815-671-5XXX | T-MOBILE USA, INC. | 6529 | JOLIET | IL |
| 2003-09-05 | 815-671-6XXX | T-MOBILE USA, INC. | 6529 | JOLIET | IL |
| 2003-09-05 | 815-671-7XXX | T-MOBILE USA, INC. | 6529 | JOLIET | IL |
| 2003-09-05 | 815-671-8XXX | T-MOBILE USA, INC. | 6529 | JOLIET | IL |
| 2003-09-04 | 314-255-3XXX | T-MOBILE USA, INC. | 6529 | ST LOUIS | MO |
| 2003-09-04 | 314-898-7XXX | T-MOBILE USA, INC. | 6529 | ST LOUIS | MO |
| 2003-09-04 | 314-898-8XXX | T-MOBILE USA, INC. | 6529 | ST LOUIS | MO |
| 2003-09-04 | 419-908-7XXX | T-MOBILE USA, INC. | 6529 | ASHLAND | OH |
| 2003-09-04 | 818-683-3XXX | T-MOBILE USA, INC. | 6529 | BRBN SNVY | CA |
| 2003-09-04 | 818-683-4XXX | T-MOBILE USA, INC. | 6529 | BRBN SNVY | CA |
| 2003-09-04 | 951-750-8XXX | T-MOBILE USA, INC. | 6529 | RIVERSIDE | CA |
| 2003-09-04 | 951-782-1XXX | T-MOBILE USA, INC. | 6529 | RIVERSIDE | CA |
| 2003-09-04 | 951-965-2XXX | T-MOBILE USA, INC. | 6529 | RIVERSIDE | CA |
| 2003-09-03 | 214-317-5XXX | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX |
| 2003-09-03 | 469-348-1XXX | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX |
| 2003-09-03 | 469-348-3XXX | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.