NumberResearchThousands-blocks in 650-530
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 650-530 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 650 blocks
Most active assignees, all time — NPA 650
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2008-12-17 | 650-530-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | WOODSIDE | CA |
| 2017-05-31 | 650-530-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | WOODSIDE | CA |
| — | 650-530-2XXX | 2000–2999 | Reserved | COMCAST PHONE OF CALIFORNIA, LLC | 394L | WOODSIDE | CA |
| 2014-12-23 | 650-530-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | WOODSIDE | CA |
| — | 650-530-4XXX | 4000–4999 | Available | WOODSIDE | CA | ||
| 2012-11-28 | 650-530-5XXX | 5000–5999 | Assigned | SONIC TELECOM, LLC - CA | 433E | WOODSIDE | CA |
| 2014-12-23 | 650-530-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | WOODSIDE | CA |
| 2014-12-23 | 650-530-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | WOODSIDE | CA |
| 2010-04-26 | 650-530-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | WOODSIDE | CA |
| — | 650-530-9XXX | 9000–9999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7145 | WOODSIDE | 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.