NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 352-560

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 352-560 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 352 blocks

Most active assignees, all time — NPA 352
NEW CINGULAR WIRELESS PCS, LLC - GA 3
CENTURYLINK OF FLORIDA, INC. (UNITED) 3
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 2
PAETEC ITEL, LLC 1
ONVOY, LLC - FL 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
— 352-560-0XXX 0000–0999Reserved CENTURYLINK OF FLORIDA, INC. (UNITED) 0341 INVERNESS FL
2018-09-27 352-560-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 INVERNESS FL
2024-02-09 352-560-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 INVERNESS FL
2006-01-12 352-560-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 INVERNESS FL
— 352-560-4XXX 4000–4999Reserved CENTURYLINK OF FLORIDA, INC. (UNITED) 0341 INVERNESS FL
2010-08-25 352-560-5XXX 5000–5999Assigned PAETEC ITEL, LLC 829J INVERNESS FL
— 352-560-6XXX 6000–6999Reserved CENTURYLINK OF FLORIDA, INC. (UNITED) 0341 INVERNESS FL
2004-06-15 352-560-7XXX 7000–7999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 INVERNESS FL
2016-08-15 352-560-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 INVERNESS FL
2024-06-05 352-560-9XXX 9000–9999Assigned ONVOY, LLC - FL 937C INVERNESS FL

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.