NumberResearchThousands-blocks in 925-265
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 925-265 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 925 blocks
Most active assignees, all time — NPA 925
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 925-265-0XXX | 0000–0999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | CONCORD | CA |
| — | 925-265-1XXX | 1000–1999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | CONCORD | CA |
| — | 925-265-2XXX | 2000–2999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | CONCORD | CA |
| 2003-12-25 | 925-265-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | CONCORD | CA |
| — | 925-265-4XXX | 4000–4999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | CONCORD | CA |
| 2024-12-03 | 925-265-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CONCORD | CA |
| 2008-08-25 | 925-265-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CONCORD | CA |
| 2009-11-19 | 925-265-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | CONCORD | CA |
| 2004-12-28 | 925-265-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | CONCORD | CA |
| 2025-04-11 | 925-265-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | CONCORD | 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.