NumberResearchThousands-blocks in 707-457
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 707-457 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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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2020-10-08 | 707-457-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | CRESCENTCY | CA |
| 2018-07-03 | 707-457-1XXX | 1000–1999 | Assigned | INTEGRATED PATH COMMUNICATIONS, LLC - CA | 707H | CRESCENTCY | CA |
| 2007-11-08 | 707-457-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | CRESCENTCY | CA |
| — | 707-457-3XXX | 3000–3999 | Reserved | FRONTIER COMMUNICATIONS WEST COAST INC. - CA | 2344 | CRESCENTCY | CA |
| 2024-06-21 | 707-457-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | CRESCENTCY | CA |
| 2019-08-05 | 707-457-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | CRESCENTCY | CA |
| 2019-09-16 | 707-457-6XXX | 6000–6999 | Assigned | TELNYX LLC | 073H | CRESCENTCY | CA |
| 2014-07-23 | 707-457-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | CRESCENTCY | CA |
| 2022-05-06 | 707-457-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | CRESCENTCY | CA |
| — | 707-457-9XXX | 9000–9999 | Available | CRESCENTCY | 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.