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 |
|---|---|---|---|---|---|---|---|
| 2025-03-21 | 530-937-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | YREKA | CA |
| 2025-03-21 | 530-937-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | YREKA | CA |
| 2025-03-21 | 530-956-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MARYSVILLE | CA |
| 2025-03-21 | 530-992-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | WEAVERVL | CA |
| 2025-03-18 | 530-929-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SHINGLESPG | CA |
| 2025-03-11 | 530-289-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DOWNIEVL | CA |
| 2025-03-11 | 530-302-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DAVIS | CA |
| 2025-03-11 | 530-405-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WOODLAND | CA |
| 2025-03-11 | 530-641-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WHEATLAND | CA |
| 2025-03-11 | 530-735-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | KNIGHTSLDG | CA |
| 2025-03-11 | 530-986-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | REDDING | CA |
| 2025-02-24 | 530-640-5XXX | 5000–5999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | ALTURAS | CA |
| 2025-02-20 | 530-847-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ALTA | CA |
| 2025-02-18 | 530-448-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | NTAH THCY | CA |
| 2025-02-18 | 530-452-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | NTAH THCY | CA |
| 2025-02-18 | 530-608-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | TRUCKEE | CA |
| 2025-02-05 | 530-954-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | LIVE OAK | CA |
| 2025-01-27 | 530-442-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | PLVL KYBRZ | CA |
| 2025-01-17 | 530-405-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | WOODLAND | CA |
| 2025-01-17 | 530-723-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | WOODLAND | CA |
| 2025-01-15 | 530-833-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | PASKENTA | CA |
| 2025-01-15 | 530-907-0XXX | 0000–0999 | Assigned | NUSO, LLC | 732J | CHICO | CA |
| 2025-01-15 | 530-907-3XXX | 3000–3999 | Assigned | NUSO, LLC | 732J | CHICO | CA |
| 2025-01-13 | 530-932-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANDERSON | CA |
| 2025-01-07 | 530-685-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | WILLOWS | CA |
| 2025-01-02 | 530-269-6XXX | 6000–6999 | Assigned | ONVOY SPECTRUM, LLC | 624H | AUBN NORTH | CA |
| 2025-01-02 | 530-590-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | GRVY SOUTH | CA |
| 2025-01-02 | 530-655-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | NICOLAUS | CA |
| 2025-01-02 | 530-847-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ALTA | CA |
| 2025-01-02 | 530-974-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | GUINDA | CA |
| 2024-12-20 | 530-683-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SHINGLESPG | CA |
| 2024-12-20 | 530-688-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SHASTALAKE | CA |
| 2024-12-20 | 530-838-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CORNING | CA |
| 2024-12-20 | 530-874-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | WILLIAMS | CA |
| 2024-12-18 | 530-651-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | PLVL WEST | CA |
| 2024-12-16 | 530-348-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | COTTONWOOD | CA |
| 2024-12-16 | 530-348-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | COTTONWOOD | CA |
| 2024-12-16 | 530-531-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BIGGS | CA |
| 2024-12-16 | 530-810-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BIGGS | CA |
| 2024-12-16 | 530-810-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BIGGS | CA |
| 2024-12-16 | 530-810-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BIGGS | CA |
| 2024-12-16 | 530-810-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BIGGS | CA |
| 2024-12-16 | 530-810-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BIGGS | CA |
| 2024-12-06 | 530-485-4XXX | 4000–4999 | Assigned | ASTOUND BROADBAND, LLC - CA | 485E | AUBN MAIN | CA |
| 2024-12-03 | 530-290-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ALLEGHANY | CA |
| 2024-12-03 | 530-645-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MARYSVILLE | CA |
| 2024-12-03 | 530-658-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ESPARTO | CA |
| 2024-12-03 | 530-710-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | REDDING | CA |
| 2024-11-22 | 530-987-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | BUTTE CITY | CA |
| 2024-11-21 | 530-991-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OROVILLE | 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.