NumberResearchRecent thousands-block assignments
0 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, all time — NPA 213
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2015-04-23 | 213-425-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-23 | 213-425-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-23 | 213-425-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-22 | 213-275-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | LSAN DA 07 | CA |
| 2015-04-10 | 213-331-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-331-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-331-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-331-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-331-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-331-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-331-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-331-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-331-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-331-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-343-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-343-1XXX | 1000–1999 | Assigned | METROPCS NETWORKS, LLC | 899D | LSAN DA 01 | CA |
| 2015-04-10 | 213-343-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-343-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-343-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-343-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-343-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-343-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-343-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-354-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-354-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-354-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-354-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-354-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-10 | 213-354-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 01 | CA |
| 2015-04-06 | 213-425-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | LSAN DA 01 | CA |
| 2015-04-06 | 213-425-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | LSAN DA 01 | CA |
| 2015-04-01 | 213-436-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 10 | CA |
| 2015-04-01 | 213-436-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 10 | CA |
| 2015-04-01 | 213-436-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 10 | CA |
| 2015-04-01 | 213-436-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 10 | CA |
| 2015-04-01 | 213-436-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | LSAN DA 10 | CA |
| 2015-04-01 | 213-699-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 07 | CA |
| 2015-03-26 | 213-322-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 10 | CA |
| 2015-03-26 | 213-322-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 10 | CA |
| 2015-03-24 | 213-262-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LSAN DA 01 | CA |
| 2015-03-24 | 213-262-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LSAN DA 01 | CA |
| 2015-03-24 | 213-262-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LSAN DA 01 | CA |
| 2015-03-24 | 213-262-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LSAN DA 01 | CA |
| 2015-03-24 | 213-262-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LSAN DA 01 | CA |
| 2015-03-24 | 213-262-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LSAN DA 01 | CA |
| 2015-03-24 | 213-262-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LSAN DA 01 | CA |
| 2015-03-24 | 213-262-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LSAN DA 01 | CA |
| 2015-03-24 | 213-262-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LSAN DA 01 | CA |
| 2015-03-24 | 213-262-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LSAN DA 01 | CA |
| 2015-03-24 | 213-436-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LSAN DA 10 | 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.