NumberResearchThousands-blocks in 951-339
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026
The ten 1,000-number thousand-blocks inside prefix 951-339 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 951 blocks
Most active assignees, all time — NPA 951
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2013-04-05 | 951-339-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | CORONA | CA |
| 2013-03-01 | 951-339-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | CORONA | CA |
| 2013-02-07 | 951-339-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | CORONA | CA |
| 2013-03-05 | 951-339-3XXX | 3000–3999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | CORONA | CA |
| 2025-04-22 | 951-339-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CORONA | CA |
| 2013-02-21 | 951-339-5XXX | 5000–5999 | Assigned | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | CORONA | CA |
| 2014-10-10 | 951-339-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | CORONA | CA |
| 2013-02-04 | 951-339-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | CORONA | CA |
| 2013-07-22 | 951-339-8XXX | 8000–8999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | CORONA | CA |
| 2013-03-12 | 951-339-9XXX | 9000–9999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | CORONA | 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.