NumberResearchRecent thousands-block assignments
35 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 925
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 |
|---|---|---|---|---|---|---|---|
| 2016-04-28 | 925-393-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | WALNUT CRK | CA |
| 2016-04-25 | 925-434-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | ANTIOCH | CA |
| 2016-04-25 | 925-434-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | ANTIOCH | CA |
| 2016-04-25 | 925-434-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | ANTIOCH | CA |
| 2016-04-21 | 925-390-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | ECONTRCOST | CA |
| 2016-04-21 | 925-390-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | ECONTRCOST | CA |
| 2016-04-15 | 925-336-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | DUBLN-SNRM | CA |
| 2016-04-15 | 925-336-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | DUBLN-SNRM | CA |
| 2016-04-15 | 925-498-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | BSHP RNCH | CA |
| 2016-04-11 | 925-390-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | ECONTRCOST | CA |
| 2016-04-11 | 925-390-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | ECONTRCOST | CA |
| 2016-03-24 | 925-241-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | DUBLN-SNRM | CA |
| 2016-03-24 | 925-241-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CA | 649C | DUBLN-SNRM | CA |
| 2016-03-24 | 925-635-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | PITTSBURG | CA |
| 2016-03-24 | 925-665-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CA | 649C | PITTSBURG | CA |
| 2016-03-24 | 925-694-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | PLEASANTON | CA |
| 2016-03-24 | 925-694-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | PLEASANTON | CA |
| 2016-03-24 | 925-968-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | BSHP RNCH | CA |
| 2016-03-24 | 925-968-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | BSHP RNCH | CA |
| 2016-03-24 | 925-999-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | DUBLN-SNRM | CA |
| 2016-03-17 | 925-557-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | DUBLN-SNRM | CA |
| 2016-02-22 | 925-860-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | SUNOL | CA |
| 2016-02-22 | 925-860-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CA | 649C | SUNOL | CA |
| 2016-02-19 | 925-433-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | WALNUT CRK | CA |
| 2016-02-19 | 925-433-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CA | 649C | WALNUT CRK | CA |
| 2016-02-19 | 925-517-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | PSBG WEST | CA |
| 2016-02-19 | 925-517-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | PSBG WEST | CA |
| 2016-02-19 | 925-690-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | CLAYTON | CA |
| 2016-02-19 | 925-690-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | CLAYTON | CA |
| 2016-02-16 | 925-433-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CA | 649C | WALNUT CRK | CA |
| 2016-02-16 | 925-433-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | WALNUT CRK | CA |
| 2016-02-12 | 925-204-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CA | 649C | ANTIOCH | CA |
| 2016-02-12 | 925-481-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CA | 649C | ANTIOCH | CA |
| 2016-02-12 | 925-592-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | MORAGA | CA |
| 2016-02-12 | 925-592-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | MORAGA | CA |
| 2016-02-12 | 925-684-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | ECONTRCOST | CA |
| 2016-02-12 | 925-809-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | ECONTRCOST | CA |
| 2016-02-09 | 925-815-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | BSHP RNCH | CA |
| 2016-02-09 | 925-815-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | BSHP RNCH | CA |
| 2016-02-05 | 925-292-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CA | 649C | LIVERMORE | CA |
| 2016-02-05 | 925-371-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CA | 649C | LIVERMORE | CA |
| 2016-02-02 | 925-204-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | ANTIOCH | CA |
| 2016-02-02 | 925-204-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | ANTIOCH | CA |
| 2016-02-02 | 925-248-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | DUBLN-SNRM | CA |
| 2016-02-02 | 925-248-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | DUBLN-SNRM | CA |
| 2016-02-01 | 925-255-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | ORINDA | CA |
| 2016-02-01 | 925-255-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CA | 649C | ORINDA | CA |
| 2016-02-01 | 925-294-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LIVERMORE | CA |
| 2016-01-27 | 925-444-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | LAFAYETTE | CA |
| 2016-01-27 | 925-444-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | LAFAYETTE | 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.