NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 508-282

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 508-282 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 508 blocks

Most active assignees, all time — NPA 508
NEW CINGULAR WIRELESS PCS, LLC - DC 6
TERRA NOVA TELECOM INC. 1
RCN TELECOM SERVICES, INC. - MA 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 1
LEVEL 3 COMMUNICATIONS, LLC - MA 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
2003-10-24 508-282-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MILFORD MA
2003-10-24 508-282-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MILFORD MA
2011-05-16 508-282-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MILFORD MA
2004-08-09 508-282-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - MA 4018 MILFORD MA
2025-04-08 508-282-4XXX 4000–4999Assigned TERRA NOVA TELECOM INC. 145J MILFORD MA
2007-02-13 508-282-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MILFORD MA
2011-05-16 508-282-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MILFORD MA
2007-10-29 508-282-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MILFORD MA
— 508-282-8XXX 8000–8999Reserved RCN TELECOM SERVICES, INC. - MA 7619 MILFORD MA
2005-01-25 508-282-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MILFORD MA

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.