NumberResearchRecent thousands-block assignments
31 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 530
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 |
|---|---|---|---|---|---|---|---|
| 2024-11-21 | 530-991-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-11-21 | 530-991-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-11-21 | 530-991-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-11-21 | 530-991-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-11-21 | 530-991-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-11-21 | 530-991-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-11-20 | 530-961-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CHICO | CA |
| 2024-11-12 | 530-687-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | NEVADACITY | CA |
| 2024-11-12 | 530-914-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-11-12 | 530-914-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-11-12 | 530-914-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-11-12 | 530-914-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-11-12 | 530-914-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-11-12 | 530-987-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BUTTE CITY | CA |
| 2024-11-01 | 530-914-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-11-01 | 530-914-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | CA |
| 2024-10-22 | 530-967-3XXX | 3000–3999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | PLVL SOUTH | CA |
| 2024-10-21 | 530-978-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MARYSVILLE | CA |
| 2024-10-21 | 530-978-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MARYSVILLE | CA |
| 2024-10-21 | 530-978-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MARYSVILLE | CA |
| 2024-10-18 | 530-789-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MARYSVILLE | CA |
| 2024-10-18 | 530-978-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MARYSVILLE | CA |
| 2024-10-18 | 530-978-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MARYSVILLE | CA |
| 2024-10-17 | 530-981-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | AUBN MAIN | CA |
| 2024-10-17 | 530-981-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | AUBN MAIN | CA |
| 2024-10-17 | 530-981-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | AUBN MAIN | CA |
| 2024-10-17 | 530-981-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | AUBN MAIN | CA |
| 2024-10-16 | 530-616-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | QUINCY | CA |
| 2024-10-16 | 530-760-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | DAVIS | CA |
| 2024-10-16 | 530-760-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | DAVIS | CA |
| 2024-10-16 | 530-810-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | BIGGS | CA |
| 2024-10-14 | 530-376-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DAVIS | CA |
| 2024-10-14 | 530-376-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DAVIS | CA |
| 2024-10-14 | 530-704-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | WOODLAND | CA |
| 2024-10-14 | 530-912-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | TRUCKEE | CA |
| 2024-10-14 | 530-961-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CHICO | CA |
| 2024-10-10 | 530-974-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | GUINDA | CA |
| 2024-10-09 | 530-708-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ALTURAS | CA |
| 2024-10-08 | 530-372-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | RICHVALE | CA |
| 2024-10-08 | 530-831-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | PORTOLA | CA |
| 2024-10-08 | 530-833-2XXX | 2000–2999 | Assigned | AT&T ENTERPRISES, LLC | 516C | PASKENTA | CA |
| 2024-10-08 | 530-942-2XXX | 2000–2999 | Assigned | AT&T ENTERPRISES, LLC | 516C | SIERRAVL | CA |
| 2024-10-08 | 530-963-4XXX | 4000–4999 | Assigned | AT&T ENTERPRISES, LLC | 516C | STONYFORD | CA |
| 2024-10-08 | 530-984-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | BLAIRSDEN | CA |
| 2024-10-08 | 530-985-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | GAZELLE | CA |
| 2024-10-07 | 530-359-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | FRENCHGLCH | CA |
| 2024-10-07 | 530-454-2XXX | 2000–2999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MERIDIAN | CA |
| 2024-10-07 | 530-705-4XXX | 4000–4999 | Assigned | AT&T ENTERPRISES, LLC | 516C | CHALLENGE | CA |
| 2024-10-07 | 530-729-8XXX | 8000–8999 | Assigned | AT&T ENTERPRISES, LLC | 516C | HORNBROOK | CA |
| 2024-10-07 | 530-778-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | LEWISTON | 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.