NumberResearch Membership · Data 09/21/2026

Thousands-blocks in 415-767

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

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

The ten 1,000-number thousand-blocks inside prefix 415-767 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 415 blocks

Most active assignees, all time — NPA 415
T-MOBILE USA, INC. 3
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 2
LEVEL 3 COMMUNICATIONS, LLC - CA 2
IP HORIZON LLC 1
ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 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
2013-05-28 415-767-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 SNFC CNTRL CA
2013-05-22 415-767-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 SNFC CNTRL CA
2013-03-27 415-767-2XXX 2000–2999Assigned ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 7174 SNFC CNTRL CA
2013-04-29 415-767-3XXX 3000–3999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SNFC CNTRL CA
2013-04-29 415-767-4XXX 4000–4999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SNFC CNTRL CA
2013-05-29 415-767-5XXX 5000–5999Assigned IP HORIZON LLC 515J SNFC CNTRL CA
2013-05-29 415-767-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 SNFC CNTRL CA
2013-05-23 415-767-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SNFC CNTRL CA
2013-05-29 415-767-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 SNFC CNTRL CA
2013-05-29 415-767-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 SNFC CNTRL 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.