NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 760-587

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 760-587 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 760 blocks

Most active assignees, all time — NPA 760
T-MOBILE USA, INC. 4
NEW CINGULAR WIRELESS PCS, LLC 4
ONVOY, LLC - CA 1
MCIMETRO ACCESS TRANSMISSION SERVICES 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
— 760-587-0XXX 0000–0999Reserved NEW CINGULAR WIRELESS PCS, LLC 6010 BRAWLEY CA
— 760-587-1XXX 1000–1999Reserved NEW CINGULAR WIRELESS PCS, LLC 6010 BRAWLEY CA
2007-03-13 760-587-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 7240 BRAWLEY CA
2007-12-26 760-587-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BRAWLEY CA
2008-05-20 760-587-4XXX 4000–4999Assigned ONVOY, LLC - CA 649C BRAWLEY CA
2008-04-18 760-587-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 BRAWLEY CA
— 760-587-6XXX 6000–6999Reserved NEW CINGULAR WIRELESS PCS, LLC 6010 BRAWLEY CA
2007-10-31 760-587-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 BRAWLEY CA
2007-06-12 760-587-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 BRAWLEY CA
2007-01-25 760-587-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 BRAWLEY 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.