NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 585-201

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 585-201 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 585 blocks

Most active assignees, all time — NPA 585
OMNIPOINT COMMUNICATIONS, INC. - NY 6
TWC IP ENABLED SERVICES, LLC 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 1
BANDWIDTH.COM CLEC, LLC - NY 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
— 585-201-0XXX 0000–0999Reserved OMNIPOINT COMMUNICATIONS, INC. - NY 6622 BATAVIA NY
— 585-201-1XXX 1000–1999Reserved OMNIPOINT COMMUNICATIONS, INC. - NY 6622 BATAVIA NY
2009-10-13 585-201-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS, INC. - NY 6622 BATAVIA NY
2010-02-05 585-201-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 BATAVIA NY
2010-07-09 585-201-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS, INC. - NY 6622 BATAVIA NY
2003-04-29 585-201-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 7133 BATAVIA NY
— 585-201-6XXX 6000–6999Reserved OMNIPOINT COMMUNICATIONS, INC. - NY 6622 BATAVIA NY
2007-06-05 585-201-7XXX 7000–7999Assigned TWC IP ENABLED SERVICES, LLC 793K BATAVIA NY
2008-12-29 585-201-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E BATAVIA NY
— 585-201-9XXX 9000–9999Reserved OMNIPOINT COMMUNICATIONS, INC. - NY 6622 BATAVIA NY

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.