NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 805-917

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

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 805-917 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
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 3
PAETEC ITEL, LLC 2
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 2
TWC IP ENABLED SERVICES, LLC 1
PEERLESS NETWORK OF CALIFORNIA, LLC - CA 1
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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2011-04-22 805-917-0XXX 0000–0999Assigned PAETEC ITEL, LLC 829J THOUSAOAKS CA
2011-04-22 805-917-1XXX 1000–1999Assigned PAETEC ITEL, LLC 829J THOUSAOAKS CA
2016-09-23 805-917-2XXX 2000–2999Assigned TWC IP ENABLED SERVICES, LLC 793K THOUSAOAKS CA
2026-05-29 805-917-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 THOUSAOAKS CA
— 805-917-4XXX 4000–4999Reserved LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 7718 THOUSAOAKS CA
2026-05-29 805-917-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 THOUSAOAKS CA
2015-10-12 805-917-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E THOUSAOAKS CA
— 805-917-7XXX 7000–7999Reserved LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 7718 THOUSAOAKS CA
2025-10-17 805-917-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 THOUSAOAKS CA
2014-12-09 805-917-9XXX 9000–9999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F THOUSAOAKS 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.