NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 909-836

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 909-836 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 909 blocks

Most active assignees, all time — NPA 909
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 3
BANDWIDTH.COM CLEC, LLC - CA 3
T-MOBILE USA, INC. 2
TELEPORT COMMUNICATIONS AMERICA, LLC - CA 1
LEVEL 3 COMMUNICATIONS, 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
2020-08-11 909-836-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E REDLANDS CA
2020-08-11 909-836-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E REDLANDS CA
2020-08-11 909-836-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E REDLANDS CA
2025-04-02 909-836-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 REDLANDS CA
2020-10-06 909-836-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 REDLANDS CA
2021-04-26 909-836-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 REDLANDS CA
2020-08-19 909-836-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - CA 7139 REDLANDS CA
2022-06-20 909-836-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 REDLANDS CA
2020-09-14 909-836-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 REDLANDS CA
2020-09-14 909-836-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 REDLANDS 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.