NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 248-250

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 248-250 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
OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 5
WOW! INTERNET, CABLE AND PHONE 1
PAETEC ITEL, LLC 1
ONVOY, LLCV - MI 1
MCIMETRO ACCESS TRANSMISSION SERVICES 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
2003-02-04 248-250-0XXX 0000–0999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 TROY MI
2003-02-04 248-250-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 TROY MI
2003-02-21 248-250-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 TROY MI
2003-03-06 248-250-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 TROY MI
2003-04-14 248-250-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 TROY MI
2004-12-15 248-250-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 7279 TROY MI
2007-07-06 248-250-6XXX 6000–6999Assigned WOW! INTERNET, CABLE AND PHONE 961J TROY MI
2004-12-17 248-250-7XXX 7000–7999Assigned PAETEC ITEL, LLC 829J TROY MI
2007-05-02 248-250-8XXX 8000–8999Assigned ONVOY, LLCV - MI 543C TROY MI
— 248-250-9XXX 9000–9999Reserved COMCAST IP PHONE, LLC 318J TROY 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.