NumberResearchThousands-blocks in 707-669
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/21/2026
The ten 1,000-number thousand-blocks inside prefix 707-669 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 707 blocks
Most active assignees, all time — NPA 707
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 707-669-0XXX | 0000–0999 | Reserved | COMCAST PHONE OF CALIFORNIA, LLC | 394L | CLOVERDALE | CA |
| — | 707-669-1XXX | 1000–1999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7145 | CLOVERDALE | CA |
| 2007-03-14 | 707-669-2XXX | 2000–2999 | Assigned | SONIC TELECOM, LLC - CA | 433E | CLOVERDALE | CA |
| 2012-08-20 | 707-669-3XXX | 3000–3999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | CLOVERDALE | CA |
| 2005-06-21 | 707-669-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | CLOVERDALE | CA |
| 2011-05-04 | 707-669-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | CLOVERDALE | CA |
| 2010-08-30 | 707-669-6XXX | 6000–6999 | Assigned | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7174 | CLOVERDALE | CA |
| 2009-11-19 | 707-669-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | CLOVERDALE | CA |
| — | 707-669-8XXX | 8000–8999 | Available | CLOVERDALE | CA | ||
| 2012-08-20 | 707-669-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | CLOVERDALE | CA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.