NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 513-282

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 513-282 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 513 blocks

Most active assignees, all time — NPA 513
NEW CINGULAR WIRELESS PCS, LLC - IL 3
LEVEL 3 COMMUNICATIONS, LLC - OH 3
CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 2
ONVOY, LLC - OH 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 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
— 513-282-0XXX 0000–0999Reserved LEVEL 3 COMMUNICATIONS, LLC - OH 4863 LEBANON OH
2003-07-15 513-282-1XXX 1000–1999Assigned ONVOY, LLC - OH 464C LEBANON OH
2004-08-18 513-282-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7836 LEBANON OH
2004-12-30 513-282-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 LEBANON OH
2004-09-28 513-282-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 LEBANON OH
2006-05-05 513-282-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LEBANON OH
2006-05-10 513-282-6XXX 6000–6999Assigned CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 309B LEBANON OH
2005-12-07 513-282-7XXX 7000–7999Assigned CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 309B LEBANON OH
2010-01-08 513-282-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LEBANON OH
2007-08-29 513-282-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LEBANON OH

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.