NumberResearchThousands-blocks in 650-535
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 650-535 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2014-06-11 | 650-535-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MOSS BEACH | CA |
| 2015-07-28 | 650-535-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | MOSS BEACH | CA |
| 2015-01-21 | 650-535-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MOSS BEACH | CA |
| 2018-11-29 | 650-535-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | MOSS BEACH | CA |
| 2007-05-04 | 650-535-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MOSS BEACH | CA |
| 2015-11-18 | 650-535-5XXX | 5000–5999 | Assigned | SONIC TELECOM, LLC - CA | 433E | MOSS BEACH | CA |
| 2016-08-16 | 650-535-6XXX | 6000–6999 | Assigned | IP HORIZON LLC | 515J | MOSS BEACH | CA |
| 2014-05-13 | 650-535-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MOSS BEACH | CA |
| 2018-11-29 | 650-535-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | MOSS BEACH | CA |
| — | 650-535-9XXX | 9000–9999 | Reserved | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | MOSS BEACH | 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.