Thousands-blocks in 256-322

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 256-322 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

POWERTEL BIRMINGHAM LICENSES, INC. 5

BANDWIDTH.COM CLEC, LLC - AL 2

SOUTHERN COMMUNICATIONS SERVICES, INC. 1

ONVOY, LLC - AL 1

CORETEL ALABAMA, INC. - AL 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
—	256-322-0XXX	0000–0999	Reserved	POWERTEL BIRMINGHAM LICENSES, INC.	7475	TALLADEGA	AL
—	256-322-1XXX	1000–1999	Reserved	POWERTEL BIRMINGHAM LICENSES, INC.	7475	TALLADEGA	AL
—	256-322-2XXX	2000–2999	Reserved	POWERTEL BIRMINGHAM LICENSES, INC.	7475	TALLADEGA	AL
—	256-322-3XXX	3000–3999	Reserved	POWERTEL BIRMINGHAM LICENSES, INC.	7475	TALLADEGA	AL
2012-11-05	256-322-4XXX	4000–4999	Assigned	BANDWIDTH.COM CLEC, LLC - AL	072F	TALLADEGA	AL
2004-06-18	256-322-5XXX	5000–5999	Assigned	SOUTHERN COMMUNICATIONS SERVICES, INC.	6744	TALLADEGA	AL
2015-04-09	256-322-6XXX	6000–6999	Assigned	BANDWIDTH.COM CLEC, LLC - AL	072F	TALLADEGA	AL
2019-04-05	256-322-7XXX	7000–7999	Assigned	CORETEL ALABAMA, INC. - AL	476F	TALLADEGA	AL
2021-02-02	256-322-8XXX	8000–8999	Assigned	ONVOY, LLC - AL	604E	TALLADEGA	AL
—	256-322-9XXX	9000–9999	Reserved	POWERTEL BIRMINGHAM LICENSES, INC.	7475	TALLADEGA	AL

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.