NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 201-473

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 201-473 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 201 blocks

Most active assignees, all time — NPA 201
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 5
BANDWIDTH.COM CLEC, LLC - NJ 3
PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 1
OMNIPOINT COMMUNICATIONS, INC. - NJ 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
— 201-473-0XXX 0000–0999Reserved MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 HASBROKHTS NJ
2016-10-12 201-473-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS, INC. - NJ 6623 HASBROKHTS NJ
2011-04-28 201-473-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - NJ 118F HASBROKHTS NJ
2012-10-26 201-473-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - NJ 118F HASBROKHTS NJ
2015-09-30 201-473-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - NJ 118F HASBROKHTS NJ
— 201-473-5XXX 5000–5999Reserved MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 HASBROKHTS NJ
— 201-473-6XXX 6000–6999Reserved MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 HASBROKHTS NJ
— 201-473-7XXX 7000–7999Reserved MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 HASBROKHTS NJ
— 201-473-8XXX 8000–8999Reserved MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 HASBROKHTS NJ
2017-04-19 201-473-9XXX 9000–9999Assigned PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 264F HASBROKHTS NJ

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.