Thousands-blocks in 318-843

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 318-843 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 318 blocks

Most active assignees, all time — NPA 318

ONVOY, LLC - LA 3

BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 3

TERRA NOVA TELECOM INC. 1

NEW CINGULAR WIRELESS PCS, LLC - GA 1

CENTURYLINK COMMUNICATIONS, 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
—	318-843-0XXX	0000–0999	Reserved	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL	9419	GIBSLAND	LA
2016-05-11	318-843-1XXX	1000–1999	Assigned	ONVOY, LLC - LA	749E	GIBSLAND	LA
—	318-843-2XXX	2000–2999	Reserved	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL	9419	GIBSLAND	LA
2016-03-18	318-843-3XXX	3000–3999	Assigned	ONVOY, LLC - LA	749E	GIBSLAND	LA
—	318-843-4XXX	4000–4999	Reserved	NEW CINGULAR WIRELESS PCS, LLC - GA	6214	GIBSLAND	LA
2016-03-18	318-843-5XXX	5000–5999	Assigned	ONVOY, LLC - LA	749E	GIBSLAND	LA
—	318-843-6XXX	6000–6999	Reserved	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL	9419	GIBSLAND	LA
2014-08-05	318-843-7XXX	7000–7999	Assigned	CENTURYLINK COMMUNICATIONS, LLC	508J	GIBSLAND	LA
2013-01-23	318-843-8XXX	8000–8999	Assigned	AT&T ENTERPRISES, LLC	516C	GIBSLAND	LA
2022-06-06	318-843-9XXX	9000–9999	Assigned	TERRA NOVA TELECOM INC.	145J	GIBSLAND	LA

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.