NumberResearchThousands-blocks in 707-353
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 707-353 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
Sep 2026
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 707-353-0XXX | 0000–0999 | Reserved | UNITED STATES CELLULAR - CA | 6261 | POINTARENA | CA |
| 2018-11-30 | 707-353-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | POINTARENA | CA |
| 2020-11-06 | 707-353-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | POINTARENA | CA |
| 2019-01-22 | 707-353-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | POINTARENA | CA |
| 2019-01-22 | 707-353-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | POINTARENA | CA |
| 2014-02-26 | 707-353-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | POINTARENA | CA |
| 2015-09-02 | 707-353-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | POINTARENA | CA |
| 2009-11-23 | 707-353-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | POINTARENA | CA |
| 2024-10-07 | 707-353-8XXX | 8000–8999 | Assigned | AT&T ENTERPRISES, LLC | 516C | POINTARENA | CA |
| 2018-07-03 | 707-353-9XXX | 9000–9999 | Assigned | INTEGRATED PATH COMMUNICATIONS, LLC - CA | 707H | POINTARENA | 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.