NumberResearchRecent thousands-block assignments
78 blocks assigned in June 2026 · 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, June 2026
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| Assigned | Block | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-06-29 | 986-294-3XXX | T-MOBILE USA, INC. | 6529 | IDAHOFALLS | ID |
| 2026-06-23 | 369-215-4XXX | T-MOBILE USA, INC. | 6529 | LOWER LAKE | CA |
| 2026-06-23 | 369-237-1XXX | T-MOBILE USA, INC. | 6529 | LOWER LAKE | CA |
| 2026-06-23 | 369-237-2XXX | T-MOBILE USA, INC. | 6529 | LOWER LAKE | CA |
| 2026-06-23 | 369-237-3XXX | T-MOBILE USA, INC. | 6529 | LOWER LAKE | CA |
| 2026-06-23 | 608-917-3XXX | T-MOBILE USA, INC. | 6529 | WISCONDLLS | WI |
| 2026-06-23 | 650-641-5XXX | T-MOBILE USA, INC. | 6529 | MT VIEW | CA |
| 2026-06-23 | 650-764-7XXX | T-MOBILE USA, INC. | 6529 | MT VIEW | CA |
| 2026-06-16 | 224-691-0XXX | T-MOBILE USA, INC. | 6529 | WHEELING | IL |
| 2026-06-16 | 224-691-1XXX | T-MOBILE USA, INC. | 6529 | WHEELING | IL |
| 2026-06-16 | 224-691-2XXX | T-MOBILE USA, INC. | 6529 | WHEELING | IL |
| 2026-06-16 | 224-691-3XXX | T-MOBILE USA, INC. | 6529 | WHEELING | IL |
| 2026-06-16 | 224-691-4XXX | T-MOBILE USA, INC. | 6529 | WHEELING | IL |
| 2026-06-16 | 224-691-5XXX | T-MOBILE USA, INC. | 6529 | WHEELING | IL |
| 2026-06-16 | 224-691-6XXX | T-MOBILE USA, INC. | 6529 | WHEELING | IL |
| 2026-06-16 | 224-691-7XXX | T-MOBILE USA, INC. | 6529 | WHEELING | IL |
| 2026-06-16 | 224-691-8XXX | T-MOBILE USA, INC. | 6529 | WHEELING | IL |
| 2026-06-16 | 224-691-9XXX | T-MOBILE USA, INC. | 6529 | WHEELING | IL |
| 2026-06-16 | 464-258-7XXX | T-MOBILE USA, INC. | 6529 | CICERO | IL |
| 2026-06-16 | 464-259-5XXX | T-MOBILE USA, INC. | 6529 | CICERO | IL |
| 2026-06-16 | 539-249-7XXX | T-MOBILE USA, INC. | 6529 | SALLISAW | OK |
| 2026-06-16 | 580-672-7XXX | T-MOBILE USA, INC. | 6529 | MADILL | OK |
| 2026-06-16 | 580-872-3XXX | T-MOBILE USA, INC. | 6529 | MADILL | OK |
| 2026-06-16 | 636-313-4XXX | T-MOBILE USA, INC. | 6529 | MANCHESTER | MO |
| 2026-06-16 | 636-430-1XXX | T-MOBILE USA, INC. | 6529 | FORISTELL | MO |
| 2026-06-16 | 737-440-0XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-440-1XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-440-2XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-440-3XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-440-4XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-440-5XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-440-6XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-440-7XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-440-8XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-440-9XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-455-0XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-455-1XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-455-2XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-455-3XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-455-4XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-455-5XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-455-6XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-455-7XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-455-8XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 737-455-9XXX | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2026-06-16 | 779-265-7XXX | T-MOBILE USA, INC. | 6529 | MCHENRY | IL |
| 2026-06-16 | 806-760-8XXX | T-MOBILE USA, INC. | 6529 | BROWNFIELD | TX |
| 2026-06-16 | 817-328-9XXX | T-MOBILE USA, INC. | 6529 | GRAPEVINE | TX |
| 2026-06-16 | 817-748-9XXX | T-MOBILE USA, INC. | 6529 | GRAPEVINE | TX |
| 2026-06-16 | 945-416-4XXX | T-MOBILE USA, INC. | 6529 | LEWISVILLE | 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.