NumberResearchRecent thousands-block assignments
0 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, all time — NPA 512
New assignments by month
Sep 2026
Aug 2026
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Dec 2025
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2025-06-18 | 512-880-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2025-04-21 | 512-290-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | ROCKDALE | TX |
| 2025-04-21 | 512-290-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | ROCKDALE | TX |
| 2025-02-10 | 512-290-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | ROCKDALE | TX |
| 2025-02-10 | 512-290-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | ROCKDALE | TX |
| 2025-02-10 | 512-290-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | ROCKDALE | TX |
| 2022-09-29 | 512-316-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | GEORGETOWN | TX |
| 2022-09-29 | 512-316-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | GEORGETOWN | TX |
| 2022-09-29 | 512-316-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | GEORGETOWN | TX |
| 2017-10-30 | 512-661-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | ELGIN | TX |
| 2017-10-30 | 512-661-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | ELGIN | TX |
| 2017-10-30 | 512-661-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | ELGIN | TX |
| 2017-10-30 | 512-661-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | ELGIN | TX |
| 2016-07-27 | 512-713-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | GEORGETOWN | TX |
| 2016-04-27 | 512-400-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | BUDA | TX |
| 2016-03-21 | 512-817-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | LEANDER | TX |
| 2015-11-20 | 512-734-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | LAMPASAS | TX |
| 2015-11-19 | 512-409-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-11-19 | 512-409-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-11-19 | 512-985-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-10-30 | 512-210-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | TX |
| 2015-10-30 | 512-210-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | TX |
| 2015-10-30 | 512-210-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | TX |
| 2015-08-25 | 512-210-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | TX |
| 2015-08-25 | 512-210-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | TX |
| 2015-07-01 | 512-806-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2015-07-01 | 512-806-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2015-07-01 | 512-817-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | LEANDER | TX |
| 2015-07-01 | 512-817-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | LEANDER | TX |
| 2015-01-09 | 512-332-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-01-09 | 512-332-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-01-09 | 512-521-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-01-09 | 512-521-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-01-09 | 512-549-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-01-09 | 512-772-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-01-09 | 512-772-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-01-09 | 512-988-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2014-10-20 | 512-214-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | TX |
| 2014-10-20 | 512-214-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | TX |
| 2014-10-15 | 512-690-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | LEANDER | TX |
| 2014-10-15 | 512-690-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | LEANDER | TX |
| 2014-08-22 | 512-521-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2014-08-22 | 512-521-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2014-08-22 | 512-521-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2014-08-22 | 512-521-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2014-08-22 | 512-545-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2014-08-12 | 512-893-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2014-08-12 | 512-893-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2014-08-06 | 512-781-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | TX |
| 2014-01-08 | 512-545-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
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.