Thousands-blocks in 256-800

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 256-800 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

ONVOY, LLC - AL 3

POWERTEL BIRMINGHAM LICENSES, INC. 2

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 2

METROPCS, INC. 1

CHARTER IP ENABLED 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

Recent thousands-block assignments
Assigned	Thousands-block	Last 4 digits	Status	Assignee	OCN	Rate center	State
2016-07-20	256-800-0XXX	0000–0999	Assigned	POWERTEL BIRMINGHAM LICENSES, INC.	7475	ATHENS	AL
2016-08-30	256-800-1XXX	1000–1999	Assigned	CHARTER IP ENABLED SERVICES, LLC	792K	ATHENS	AL
2019-02-11	256-800-2XXX	2000–2999	Assigned	ONVOY, LLC - AL	604E	ATHENS	AL
2018-01-30	256-800-3XXX	3000–3999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL	6804	ATHENS	AL
2016-11-01	256-800-4XXX	4000–4999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL	6804	ATHENS	AL
2024-04-09	256-800-5XXX	5000–5999	Assigned	ONVOY, LLC - AL	604E	ATHENS	AL
2017-06-07	256-800-6XXX	6000–6999	Assigned	ONVOY, LLC - AL	604E	ATHENS	AL
2018-04-17	256-800-7XXX	7000–7999	Assigned	METROPCS, INC.	5562	ATHENS	AL
2016-07-27	256-800-8XXX	8000–8999	Assigned	AT&T ENTERPRISES, LLC	516C	ATHENS	AL
2016-07-20	256-800-9XXX	9000–9999	Assigned	POWERTEL BIRMINGHAM LICENSES, INC.	7475	ATHENS	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.