Thousands-blocks in 256-625

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 256-625 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 256 blocks

Most active assignees, all time — NPA 256

CORETEL ALABAMA, INC. - AL 3

ONVOY, LLC - AL 2

POWERTEL BIRMINGHAM LICENSES, INC. 1

NEW CINGULAR WIRELESS PCS, LLC - GA 1

METROPCS, INC. 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

Recent thousands-block assignments
Assigned	Thousands-block	Last 4 digits	Status	Assignee	OCN	Rate center	State
2011-05-05	256-625-0XXX	0000–0999	Assigned	METROPCS, INC.	5562	ALEXANDRCY	AL
2022-01-31	256-625-1XXX	1000–1999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - GA	6214	ALEXANDRCY	AL
2019-04-04	256-625-2XXX	2000–2999	Assigned	CORETEL ALABAMA, INC. - AL	476F	ALEXANDRCY	AL
2019-04-04	256-625-3XXX	3000–3999	Assigned	CORETEL ALABAMA, INC. - AL	476F	ALEXANDRCY	AL
2019-04-04	256-625-4XXX	4000–4999	Assigned	CORETEL ALABAMA, INC. - AL	476F	ALEXANDRCY	AL
2012-11-05	256-625-5XXX	5000–5999	Assigned	BANDWIDTH.COM CLEC, LLC - AL	072F	ALEXANDRCY	AL
2026-05-06	256-625-6XXX	6000–6999	Assigned	ONVOY, LLC - AL	604E	ALEXANDRCY	AL
2021-01-27	256-625-7XXX	7000–7999	Assigned	AIRUS, INC. - AL	476H	ALEXANDRCY	AL
2024-04-17	256-625-8XXX	8000–8999	Assigned	ONVOY, LLC - AL	604E	ALEXANDRCY	AL
—	256-625-9XXX	9000–9999	Reserved	POWERTEL BIRMINGHAM LICENSES, INC.	7475	ALEXANDRCY	AL

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.