NumberResearchThousands-blocks in 805-727
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 805-727 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 805 blocks
Most active assignees, all time — NPA 805
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 805-727-0XXX | 0000–0999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FILLMORE | CA |
| — | 805-727-1XXX | 1000–1999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FILLMORE | CA |
| 2012-12-04 | 805-727-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | FILLMORE | CA |
| 2008-12-17 | 805-727-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | FILLMORE | CA |
| 2005-07-06 | 805-727-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | FILLMORE | CA |
| 2013-03-12 | 805-727-5XXX | 5000–5999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | FILLMORE | CA |
| — | 805-727-6XXX | 6000–6999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FILLMORE | CA |
| 2008-05-05 | 805-727-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | FILLMORE | CA |
| 2009-02-12 | 805-727-8XXX | 8000–8999 | Assigned | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | FILLMORE | CA |
| 2012-12-04 | 805-727-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CA | 649C | FILLMORE | CA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.