NumberResearchRecent thousands-block assignments
1 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026
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 323
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 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 |
|---|---|---|---|---|---|---|---|
| 2016-03-04 | 323-613-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 03 | CA |
| 2016-03-04 | 323-613-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 03 | CA |
| 2016-03-04 | 323-613-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 03 | CA |
| 2016-03-03 | 323-897-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7139 | LSAN DA 08 | CA |
| 2016-02-26 | 323-922-9XXX | 9000–9999 | Assigned | METROPCS NETWORKS, LLC | 899D | LSAN DA 02 | CA |
| 2016-02-19 | 323-601-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 12 | CA |
| 2016-02-19 | 323-997-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 12 | CA |
| 2016-02-17 | 323-613-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 03 | CA |
| 2016-02-17 | 323-613-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 03 | CA |
| 2016-01-29 | 323-612-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 04 | CA |
| 2016-01-29 | 323-612-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 04 | CA |
| 2016-01-29 | 323-701-2XXX | 2000–2999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | LSAN DA 14 | CA |
| 2016-01-29 | 323-765-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | MONTEBELLO | CA |
| 2016-01-29 | 323-765-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | MONTEBELLO | CA |
| 2016-01-27 | 323-716-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 11 | CA |
| 2016-01-27 | 323-716-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 11 | CA |
| 2016-01-27 | 323-768-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 05 | CA |
| 2016-01-27 | 323-825-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 05 | CA |
| 2016-01-19 | 323-612-6XXX | 6000–6999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | LSAN DA 04 | CA |
| 2016-01-19 | 323-615-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | LSAN DA 09 | CA |
| 2016-01-19 | 323-749-7XXX | 7000–7999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | LSAN DA 06 | CA |
| 2016-01-15 | 323-507-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 03 | CA |
| 2016-01-15 | 323-613-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 03 | CA |
| 2016-01-15 | 323-613-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 03 | CA |
| 2016-01-11 | 323-433-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 13 | CA |
| 2016-01-11 | 323-433-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 13 | CA |
| 2016-01-11 | 323-615-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 09 | CA |
| 2016-01-11 | 323-615-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 09 | CA |
| 2016-01-11 | 323-615-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 09 | CA |
| 2015-12-21 | 323-433-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | LSAN DA 13 | CA |
| 2015-12-17 | 323-897-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 08 | CA |
| 2015-12-15 | 323-701-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 14 | CA |
| 2015-12-15 | 323-701-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 14 | CA |
| 2015-12-11 | 323-922-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 02 | CA |
| 2015-12-11 | 323-922-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 02 | CA |
| 2015-12-02 | 323-499-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | LSAN DA 14 | CA |
| 2015-12-01 | 323-613-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 03 | CA |
| 2015-12-01 | 323-613-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 03 | CA |
| 2015-11-24 | 323-685-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 05 | CA |
| 2015-11-24 | 323-685-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 05 | CA |
| 2015-11-24 | 323-827-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | MONTEBELLO | CA |
| 2015-11-24 | 323-827-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | MONTEBELLO | CA |
| 2015-11-24 | 323-897-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 08 | CA |
| 2015-11-24 | 323-897-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 08 | CA |
| 2015-11-24 | 323-922-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 02 | CA |
| 2015-11-24 | 323-922-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 02 | CA |
| 2015-11-23 | 323-310-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 06 | CA |
| 2015-11-23 | 323-310-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 06 | CA |
| 2015-11-23 | 323-310-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 06 | CA |
| 2015-11-23 | 323-310-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 06 | CA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.