NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 630-413

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 630-413 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 630 blocks

Most active assignees, all time — NPA 630
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7
LEVEL 3 COMMUNICATIONS, LLC - IL 2
FIRST COMMUNICATIONS, LLC 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
2003-12-23 630-413-0XXX 0000–0999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7196 HINSDALE IL
2003-12-23 630-413-1XXX 1000–1999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7196 HINSDALE IL
2003-12-23 630-413-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7196 HINSDALE IL
2003-12-23 630-413-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7196 HINSDALE IL
— 630-413-4XXX 4000–4999Reserved LEVEL 3 COMMUNICATIONS, LLC - IL 6115 HINSDALE IL
2003-02-28 630-413-5XXX 5000–5999Assigned FIRST COMMUNICATIONS, LLC 460K HINSDALE IL
2003-12-23 630-413-6XXX 6000–6999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7196 HINSDALE IL
2003-12-23 630-413-7XXX 7000–7999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7196 HINSDALE IL
2003-12-23 630-413-8XXX 8000–8999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7196 HINSDALE IL
2005-01-25 630-413-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 HINSDALE IL

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.