Recent thousands-block assignments

8 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, last 30 days — NPA 575

T-MOBILE USA, INC. 6

ONVOY, LLC - NM 1

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 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
2003-05-29	575-613-0XXX	0000–0999	Assigned	T-MOBILE USA, INC.	6529	TAOS	NM
2003-05-19	575-635-6XXX	6000–6999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM	6573	LAS CRUCES	NM
2003-05-16	575-635-5XXX	5000–5999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM	6573	LAS CRUCES	NM
2003-05-16	575-635-7XXX	7000–7999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM	6573	LAS CRUCES	NM
2003-03-10	575-921-1XXX	1000–1999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM	6573	ALAMOGORDO	NM
2003-03-10	575-921-2XXX	2000–2999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM	6573	ALAMOGORDO	NM
2003-03-10	575-921-3XXX	3000–3999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM	6573	ALAMOGORDO	NM
2003-03-10	575-921-4XXX	4000–4999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM	6573	ALAMOGORDO	NM
2003-02-27	575-317-2XXX	2000–2999	Assigned	T-MOBILE USA, INC.	6529	ROSWELL	NM
2003-02-19	575-937-0XXX	0000–0999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM	6573	RUIDOSO	NM
2003-02-19	575-937-1XXX	1000–1999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM	6573	RUIDOSO	NM
2002-07-12	575-446-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - NM	5470	ALAMOGORDO	NM
2002-06-20	575-613-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - NM	5470	TAOS	NM
2002-06-20	575-680-9XXX	9000–9999	Assigned	AT&T - LOCAL	7421	LAS CRUCES	NM
2002-06-20	575-956-9XXX	9000–9999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - NM	5470	SILVERCITY	NM
2002-05-20	575-578-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - NM	5470	ROSWELL	NM
2002-05-02	575-635-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - NM	5470	LAS CRUCES	NM

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.