Thousands-blocks in 334-997

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 334-997 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 334 blocks

Most active assignees, all time — NPA 334

ONVOY, LLC - AL 3

TWC IP ENABLED SERVICES, LLC 1

TROY CABLEVISION, INC. - AL 1

SOUTHERN COMMUNICATIONS SERVICES, 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

Recent thousands-block assignments
Assigned	Thousands-block	Last 4 digits	Status	Assignee	OCN	Rate center	State
2021-11-08	334-997-0XXX	0000–0999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - AL	5255	SAMSON	AL
2008-06-26	334-997-1XXX	1000–1999	Assigned	SOUTHERN COMMUNICATIONS SERVICES, INC.	6744	SAMSON	AL
2021-02-02	334-997-2XXX	2000–2999	Assigned	ONVOY, LLC - AL	604E	SAMSON	AL
2006-10-30	334-997-3XXX	3000–3999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	SAMSON	AL
2007-11-19	334-997-4XXX	4000–4999	Assigned	BHN IP ENABLED SERVICES, LLC	045L	SAMSON	AL
2022-02-17	334-997-5XXX	5000–5999	Assigned	TWC IP ENABLED SERVICES, LLC	793K	SAMSON	AL
2019-10-08	334-997-6XXX	6000–6999	Assigned	ONVOY, LLC - AL	604E	SAMSON	AL
2013-08-08	334-997-7XXX	7000–7999	Assigned	CENTURYLINK COMMUNICATIONS, LLC	508J	SAMSON	AL
2017-01-10	334-997-8XXX	8000–8999	Assigned	TROY CABLEVISION, INC. - AL	208D	SAMSON	AL
2021-07-01	334-997-9XXX	9000–9999	Assigned	ONVOY, LLC - AL	604E	SAMSON	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.