NumberResearchRecent thousands-block assignments
1 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 — NPA 951
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2026-08-26 | 951-814-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | ARLINGTON | CA |
| 2022-12-08 | 951-621-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | CORONA | CA |
| 2022-12-08 | 951-621-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | CORONA | CA |
| 2022-12-08 | 951-621-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | CORONA | CA |
| 2022-12-08 | 951-621-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | CORONA | CA |
| 2022-12-08 | 951-621-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | CORONA | CA |
| 2022-10-26 | 951-615-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | SUN CITY | CA |
| 2022-10-26 | 951-615-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | SUN CITY | CA |
| 2022-10-21 | 951-612-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | BANNING | CA |
| 2022-10-21 | 951-620-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | ELSINORE | CA |
| 2022-10-21 | 951-875-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | BANNING | CA |
| 2022-10-20 | 951-942-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MURRIETA | CA |
| 2022-10-20 | 951-942-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MURRIETA | CA |
| 2022-10-20 | 951-942-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MURRIETA | CA |
| 2022-10-20 | 951-942-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MURRIETA | CA |
| 2022-10-19 | 951-614-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | ELSINORE | CA |
| 2022-10-19 | 951-614-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | ELSINORE | CA |
| 2022-09-02 | 951-615-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | SUN CITY | CA |
| 2022-09-01 | 951-942-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MURRIETA | CA |
| 2022-07-26 | 951-596-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MORENO | CA |
| 2022-07-26 | 951-596-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MORENO | CA |
| 2022-07-26 | 951-596-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MORENO | CA |
| 2022-07-26 | 951-596-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MORENO | CA |
| 2022-07-26 | 951-596-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MORENO | CA |
| 2022-01-24 | 951-607-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LAKEVIEWNU | CA |
| 2022-01-24 | 951-607-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LAKEVIEWNU | CA |
| 2022-01-21 | 951-799-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT ANZA | CA |
| 2021-09-29 | 951-481-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | WOODCREST | CA |
| 2021-09-29 | 951-576-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | WOODCREST | CA |
| 2021-09-24 | 951-910-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT SAGE | CA |
| 2021-08-31 | 951-593-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2021-08-27 | 951-585-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2021-08-27 | 951-585-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2021-08-27 | 951-585-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2021-08-27 | 951-585-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2021-07-29 | 951-585-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2021-07-29 | 951-585-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2021-07-29 | 951-585-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2021-07-29 | 951-585-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2021-07-29 | 951-585-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2020-10-22 | 951-799-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT ANZA | CA |
| 2020-10-21 | 951-724-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HMLD | CA |
| 2020-10-21 | 951-724-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HMLD | CA |
| 2020-10-15 | 951-633-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2020-10-15 | 951-633-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2020-10-15 | 951-633-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | HEMT HEMT | CA |
| 2020-10-12 | 951-554-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | RIVERSIDE | CA |
| 2020-10-12 | 951-554-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | RIVERSIDE | CA |
| 2020-10-12 | 951-554-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | RIVERSIDE | CA |
| 2020-08-21 | 951-542-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | RIVERSIDE | CA |
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.