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 350
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2025-09-05 | 350-666-2XXX | 2000–2999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | SANANDREAS | CA |
| 2025-05-28 | 350-333-5XXX | 5000–5999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | NEWMAN | CA |
| 2025-03-18 | 350-208-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | KNIGHTFRRY | CA |
| 2025-01-27 | 350-630-3XXX | 3000–3999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | RIVERBANK | CA |
| 2025-01-24 | 350-234-0XXX | 0000–0999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | JACKSON | CA |
| 2024-11-13 | 350-222-6XXX | 6000–6999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | HUGHSON | CA |
| 2024-01-22 | 350-212-2XXX | 2000–2999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | SUTTER CRK | CA |
| 2024-01-22 | 350-900-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | TRACY | CA |
| 2024-01-22 | 350-930-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | TURLOCK | CA |
| 2024-01-22 | 350-960-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | WTFR MAIN | CA |
| 2024-01-18 | 350-213-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | LINDEN | CA |
| 2023-04-18 | 350-209-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | VALLEY SPG | CA |
| 2023-03-16 | 350-205-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | PLANADA | CA |
| 2023-02-17 | 350-200-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | LODI | CA |
| 2023-02-17 | 350-777-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | GALT | CA |
| 2023-01-24 | 350-204-6XXX | 6000–6999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | ATWATER | CA |
| 2023-01-09 | 350-444-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | SNELLING | CA |
| 2022-11-22 | 350-202-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | THORNTON | CA |
| 2022-11-04 | 350-305-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | YOSEMITE | CA |
| 2022-11-04 | 350-666-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | SANANDREAS | CA |
| 2022-10-27 | 350-222-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | HUGHSON | CA |
| 2022-10-27 | 350-333-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | NEWMAN | CA |
| 2022-10-27 | 350-888-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | GROVELAND | CA |
| 2022-10-27 | 350-999-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | GUSTINE | CA |
| 2022-10-20 | 350-201-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | WALLACE | 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.