NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 904-572

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 904-572 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 904 blocks

Most active assignees, all time — NPA 904
POWERTEL JACKSONVILLE LICENSES, INC. 4
LEVEL 3 COMMUNICATIONS, LLC - FL 4
METROPCS, INC. 1
MCIMETRO ACCESS TRANSMISSION SERVICES 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
2005-02-23 904-572-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 FERNADNBCH FL
2005-12-09 904-572-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 FERNADNBCH FL
2014-09-16 904-572-2XXX 2000–2999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 FERNADNBCH FL
2006-09-22 904-572-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 FERNADNBCH FL
— 904-572-4XXX 4000–4999Reserved LEVEL 3 COMMUNICATIONS, LLC - FL 4802 FERNADNBCH FL
2014-01-06 904-572-5XXX 5000–5999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 FERNADNBCH FL
2011-07-25 904-572-6XXX 6000–6999Assigned METROPCS, INC. 5562 FERNADNBCH FL
— 904-572-7XXX 7000–7999Reserved LEVEL 3 COMMUNICATIONS, LLC - FL 4802 FERNADNBCH FL
2013-05-29 904-572-8XXX 8000–8999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 FERNADNBCH FL
2013-05-29 904-572-9XXX 9000–9999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 FERNADNBCH FL

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.