NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 248-957

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 248-957 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 248 blocks

Most active assignees, all time — NPA 248
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 3
BHN IP ENABLED SERVICES, LLC 3
PAETEC ITEL, LLC 1
LEVEL 3 COMMUNICATIONS, LLC - MI 1
BANDWIDTH.COM CLEC, LLC - MI 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
— 248-957-0XXX 0000–0999Reserved MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 7279 FARMINGTON MI
2014-08-05 248-957-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E FARMINGTON MI
— 248-957-2XXX 2000–2999Reserved MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 7279 FARMINGTON MI
2006-08-04 248-957-3XXX 3000–3999Assigned ACD TELECOM, INC. - MI 3535 FARMINGTON MI
2006-12-06 248-957-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 FARMINGTON MI
2009-10-27 248-957-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 7279 FARMINGTON MI
2011-10-17 248-957-6XXX 6000–6999Assigned BHN IP ENABLED SERVICES, LLC 045L FARMINGTON MI
2007-11-26 248-957-7XXX 7000–7999Assigned PAETEC ITEL, LLC 829J FARMINGTON MI
2009-10-07 248-957-8XXX 8000–8999Assigned BHN IP ENABLED SERVICES, LLC 045L FARMINGTON MI
2013-10-30 248-957-9XXX 9000–9999Assigned BHN IP ENABLED SERVICES, LLC 045L FARMINGTON MI

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.