NumberResearchRecent thousands-block assignments
22 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 559
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 |
|---|---|---|---|---|---|---|---|
| 2024-03-22 | 559-200-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FRESNO | CA |
| 2024-03-22 | 559-320-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FRESNO | CA |
| 2024-03-22 | 559-814-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FOWLER | CA |
| 2024-03-18 | 559-357-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | HANFORD | CA |
| 2024-03-14 | 559-200-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FRESNO | CA |
| 2024-03-14 | 559-200-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FRESNO | CA |
| 2024-03-14 | 559-200-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FRESNO | CA |
| 2024-03-14 | 559-357-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HANFORD | CA |
| 2024-03-14 | 559-586-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LINDSAY | CA |
| 2024-03-14 | 559-764-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MADERA | CA |
| 2024-03-14 | 559-764-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MADERA | CA |
| 2024-03-14 | 559-810-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CARUTHERS | CA |
| 2024-03-14 | 559-880-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LEMOORE | CA |
| 2024-03-14 | 559-887-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | TULARE | CA |
| 2024-03-11 | 559-778-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FRESNO | CA |
| 2024-03-11 | 559-778-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FRESNO | CA |
| 2024-03-11 | 559-939-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FRESNO | CA |
| 2024-03-08 | 559-882-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | CLOVIS | CA |
| 2024-03-07 | 559-607-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | DINUBA | CA |
| 2024-02-28 | 559-886-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CORCORAN | CA |
| 2024-02-27 | 559-880-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | LEMOORE | CA |
| 2024-02-27 | 559-880-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | LEMOORE | CA |
| 2024-02-27 | 559-883-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PORTERVL | CA |
| 2024-02-21 | 559-806-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | VISALIA | CA |
| 2024-02-21 | 559-806-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | VISALIA | CA |
| 2024-02-21 | 559-806-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | VISALIA | CA |
| 2024-02-21 | 559-806-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | VISALIA | CA |
| 2024-02-20 | 559-880-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | LEMOORE | CA |
| 2024-02-13 | 559-571-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | VISALIA | CA |
| 2024-02-13 | 559-571-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | VISALIA | CA |
| 2024-02-13 | 559-571-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | VISALIA | CA |
| 2024-02-07 | 559-414-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | CORCORAN | CA |
| 2024-02-07 | 559-780-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | CORCORAN | CA |
| 2024-02-06 | 559-546-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | SANGER | CA |
| 2024-02-06 | 559-876-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CA | 649C | SANGER | CA |
| 2024-02-02 | 559-215-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | SELMA | CA |
| 2024-02-02 | 559-215-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | SELMA | CA |
| 2024-01-29 | 559-536-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MADERA | CA |
| 2024-01-24 | 559-806-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | VISALIA | CA |
| 2024-01-24 | 559-806-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | VISALIA | CA |
| 2024-01-24 | 559-806-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CA | 649C | VISALIA | CA |
| 2024-01-23 | 559-882-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | CLOVIS | CA |
| 2024-01-23 | 559-882-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | CLOVIS | CA |
| 2024-01-23 | 559-882-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | CLOVIS | CA |
| 2024-01-22 | 559-640-2XXX | 2000–2999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | THREERIVRS | CA |
| 2024-01-22 | 559-848-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | WOODLAKE | CA |
| 2024-01-19 | 559-874-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | CLOVIS | CA |
| 2024-01-19 | 559-882-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | CLOVIS | CA |
| 2024-01-19 | 559-882-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | CLOVIS | CA |
| 2024-01-19 | 559-882-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | CLOVIS | 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.