NumberResearchThousands-blocks in 805-883
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 805-883 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
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2019-09-30 | 805-883-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SANBARBARA | CA |
| — | 805-883-1XXX | 1000–1999 | Reserved | FRONTIER CALIFORNIA INC. | 2319 | SANBARBARA | CA |
| 2017-10-05 | 805-883-2XXX | 2000–2999 | Assigned | FRONTIER CALIFORNIA INC. | 2319 | SANBARBARA | CA |
| 2017-02-24 | 805-883-3XXX | 3000–3999 | Assigned | COMCAST PHONE OF CALIFORNIA, LLC | 394L | SANBARBARA | CA |
| — | 805-883-4XXX | 4000–4999 | Reserved | FRONTIER CALIFORNIA INC. | 2319 | SANBARBARA | CA |
| 2012-12-21 | 805-883-5XXX | 5000–5999 | Assigned | NORCAST COMMUNICATIONS CORPORATION - CA | 9807 | SANBARBARA | CA |
| 2014-02-11 | 805-883-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | SANBARBARA | CA |
| 2019-01-07 | 805-883-7XXX | 7000–7999 | Assigned | VONAGE AMERICA LLC | 197D | SANBARBARA | CA |
| 2010-03-23 | 805-883-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SANBARBARA | CA |
| 2020-05-13 | 805-883-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SANBARBARA | 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.