Recent thousands-block assignments

27 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026

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 951

ONVOY, LLC - CA 25

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 1

BANDWIDTH.COM CLEC, LLC - CA 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
2023-08-11	951-645-3XXX	3000–3999	Assigned	COMMIO, LLC	939H	LAKEVIEWNU	CA
2023-08-11	951-645-4XXX	4000–4999	Assigned	COMMIO, LLC	939H	LAKEVIEWNU	CA
2023-08-11	951-646-0XXX	0000–0999	Assigned	COMMIO, LLC	939H	TEMSCL CNY	CA
2023-08-11	951-646-1XXX	1000–1999	Assigned	COMMIO, LLC	939H	TEMSCL CNY	CA
2023-08-11	951-646-2XXX	2000–2999	Assigned	COMMIO, LLC	939H	TEMSCL CNY	CA
2023-08-11	951-646-3XXX	3000–3999	Assigned	COMMIO, LLC	939H	TEMSCL CNY	CA
2023-08-11	951-646-4XXX	4000–4999	Assigned	COMMIO, LLC	939H	TEMSCL CNY	CA
2023-08-10	951-952-7XXX	7000–7999	Assigned	ONVOY, LLC - CA	649C	BANNING	CA
2023-07-27	951-952-2XXX	2000–2999	Assigned	COMMIO, LLC	939H	BANNING	CA
2023-07-27	951-952-3XXX	3000–3999	Assigned	COMMIO, LLC	939H	BANNING	CA
2023-07-27	951-952-4XXX	4000–4999	Assigned	COMMIO, LLC	939H	BANNING	CA
2023-07-27	951-952-5XXX	5000–5999	Assigned	COMMIO, LLC	939H	BANNING	CA
2023-07-27	951-952-6XXX	6000–6999	Assigned	COMMIO, LLC	939H	BANNING	CA
2023-07-25	951-384-3XXX	3000–3999	Assigned	METROPCS NETWORKS, LLC	899D	RIVERSIDE	CA
2023-07-25	951-618-6XXX	6000–6999	Assigned	METROPCS NETWORKS, LLC	899D	RIVERSIDE	CA
2023-07-14	951-630-4XXX	4000–4999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	MORENO	CA
2023-07-13	951-624-4XXX	4000–4999	Assigned	T-MOBILE USA, INC.	6529	ARLINGTON	CA
2023-07-13	951-624-5XXX	5000–5999	Assigned	T-MOBILE USA, INC.	6529	ARLINGTON	CA
2023-07-13	951-624-6XXX	6000–6999	Assigned	T-MOBILE USA, INC.	6529	ARLINGTON	CA
2023-07-13	951-641-9XXX	9000–9999	Assigned	T-MOBILE USA, INC.	6529	HEMT HEMT	CA
2023-07-12	951-590-7XXX	7000–7999	Assigned	T-MOBILE USA, INC.	6529	HEMT HEMT	CA
2023-07-12	951-590-8XXX	8000–8999	Assigned	T-MOBILE USA, INC.	6529	HEMT HEMT	CA
2023-07-12	951-630-6XXX	6000–6999	Assigned	T-MOBILE USA, INC.	6529	MORENO	CA
2023-07-12	951-630-7XXX	7000–7999	Assigned	T-MOBILE USA, INC.	6529	MORENO	CA
2023-06-22	951-613-7XXX	7000–7999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	PERRIS	CA
2023-06-22	951-620-2XXX	2000–2999	Assigned	ONVOY, LLC - CA	649C	ELSINORE	CA
2023-06-22	951-620-3XXX	3000–3999	Assigned	ONVOY, LLC - CA	649C	ELSINORE	CA
2023-06-22	951-620-8XXX	8000–8999	Assigned	ONVOY, LLC - CA	649C	ELSINORE	CA
2023-06-22	951-631-0XXX	0000–0999	Assigned	ONVOY, LLC - CA	649C	RIVERSIDE	CA
2023-06-22	951-631-8XXX	8000–8999	Assigned	ONVOY, LLC - CA	649C	RIVERSIDE	CA
2023-06-22	951-631-9XXX	9000–9999	Assigned	ONVOY, LLC - CA	649C	RIVERSIDE	CA
2023-06-22	951-636-1XXX	1000–1999	Assigned	ONVOY, LLC - CA	649C	CORONA	CA
2023-06-22	951-636-2XXX	2000–2999	Assigned	ONVOY, LLC - CA	649C	CORONA	CA
2023-06-22	951-636-3XXX	3000–3999	Assigned	ONVOY, LLC - CA	649C	CORONA	CA
2023-06-22	951-636-5XXX	5000–5999	Assigned	ONVOY, LLC - CA	649C	CORONA	CA
2023-06-22	951-636-6XXX	6000–6999	Assigned	ONVOY, LLC - CA	649C	CORONA	CA
2023-06-22	951-636-7XXX	7000–7999	Assigned	ONVOY, LLC - CA	649C	CORONA	CA
2023-06-22	951-636-8XXX	8000–8999	Assigned	ONVOY, LLC - CA	649C	CORONA	CA
2023-06-22	951-952-0XXX	0000–0999	Assigned	ONVOY, LLC - CA	649C	BANNING	CA
2023-06-22	951-952-1XXX	1000–1999	Assigned	ONVOY, LLC - CA	649C	BANNING	CA
2023-06-21	951-635-9XXX	9000–9999	Assigned	METROPCS NETWORKS, LLC	899D	MURRIETA	CA
2023-06-16	951-613-8XXX	8000–8999	Assigned	METROPCS NETWORKS, LLC	899D	PERRIS	CA
2023-06-16	951-620-1XXX	1000–1999	Assigned	METROPCS NETWORKS, LLC	899D	ELSINORE	CA
2023-06-16	951-630-8XXX	8000–8999	Assigned	METROPCS NETWORKS, LLC	899D	MORENO	CA
2023-06-16	951-721-1XXX	1000–1999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	MURRIETA	CA
2023-06-15	951-632-9XXX	9000–9999	Assigned	T-MOBILE USA, INC.	6529	HEMT SNJC	CA
2023-06-15	951-721-2XXX	2000–2999	Assigned	T-MOBILE USA, INC.	6529	MURRIETA	CA
2023-05-31	951-624-7XXX	7000–7999	Assigned	T-MOBILE USA, INC.	6529	ARLINGTON	CA
2023-05-30	951-604-1XXX	1000–1999	Assigned	BOOST SUBSCRIBERCO L.L.C.	490J	HEMT SNJC	CA
2023-05-30	951-605-3XXX	3000–3999	Assigned	BOOST SUBSCRIBERCO L.L.C.	490J	WOODCREST	CA

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.