Recent thousands-block assignments

18 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 661

ONVOY, LLC - CA 10

TELEPORT COMMUNICATIONS AMERICA, LLC - CA 3

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 3

PEERLESS NETWORK OF CALIFORNIA, LLC - CA 2

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
2013-03-12	661-228-8XXX	8000–8999	Assigned	ONVOY, LLC - CA	649C	HI VISTA	CA
2013-03-12	661-228-9XXX	9000–9999	Assigned	ONVOY, LLC - CA	649C	HI VISTA	CA
2013-03-12	661-471-1XXX	1000–1999	Assigned	PACIFIC BELL (COMPETITIVE)	7480	LANCASTER	CA
2013-03-12	661-482-4XXX	4000–4999	Assigned	TWC IP ENABLED SERVICES, LLC	793K	EDWARDS	CA
2013-03-12	661-941-4XXX	4000–4999	Assigned	TWC IP ENABLED SERVICES, LLC	793K	LANCASTER	CA
2013-03-11	661-481-3XXX	3000–3999	Assigned	PEERLESS NETWORK OF CALIFORNIA, LLC - CA	373F	SNCA NHCS	CA
2013-03-06	661-249-4XXX	4000–4999	Assigned	PEERLESS NETWORK OF CALIFORNIA, LLC - CA	373F	BIG BUTTE	CA
2013-03-06	661-263-5XXX	5000–5999	Assigned	PEERLESS NETWORK OF CALIFORNIA, LLC - CA	373F	SNCA SGCC	CA
2013-03-06	661-269-7XXX	7000–7999	Assigned	PEERLESS NETWORK OF CALIFORNIA, LLC - CA	373F	PLDL PLDL	CA
2013-03-06	661-402-5XXX	5000–5999	Assigned	PEERLESS NETWORK OF CALIFORNIA, LLC - CA	373F	PLDL AGDL	CA
2013-03-06	661-437-0XXX	0000–0999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	BKFD MAIN	CA
2013-03-06	661-437-1XXX	1000–1999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	BKFD MAIN	CA
2013-03-06	661-463-3XXX	3000–3999	Assigned	PEERLESS NETWORK OF CALIFORNIA, LLC - CA	373F	HI VISTA	CA
2013-03-06	661-464-5XXX	5000–5999	Assigned	PEERLESS NETWORK OF CALIFORNIA, LLC - CA	373F	LAKEHUGHES	CA
2013-03-06	661-793-3XXX	3000–3999	Assigned	PEERLESS NETWORK OF CALIFORNIA, LLC - CA	373F	PLDL LNVY	CA
2013-02-27	661-228-7XXX	7000–7999	Assigned	ONVOY, LLC - CA	649C	HI VISTA	CA
2013-02-27	661-261-5XXX	5000–5999	Assigned	ONVOY, LLC - CA	649C	BIG BUTTE	CA
2013-02-27	661-270-5XXX	5000–5999	Assigned	ONVOY, LLC - CA	649C	PLDL LNVY	CA
2013-02-27	661-402-4XXX	4000–4999	Assigned	ONVOY, LLC - CA	649C	PLDL AGDL	CA
2013-02-27	661-998-1XXX	1000–1999	Assigned	ONVOY, LLC - CA	649C	PLDL PLDL	CA
2013-02-22	661-414-3XXX	3000–3999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	6006	SNCA NHCS	CA
2013-02-12	661-473-2XXX	2000–2999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	BKFD SOUTH	CA
2013-02-11	661-367-8XXX	8000–8999	Assigned	ONVOY, LLC - CA	649C	SNCA SGCC	CA
2013-02-11	661-402-3XXX	3000–3999	Assigned	ONVOY, LLC - CA	649C	PLDL AGDL	CA
2013-02-11	661-441-3XXX	3000–3999	Assigned	ONVOY, LLC - CA	649C	PLDL PLDL	CA
2013-02-11	661-622-2XXX	2000–2999	Assigned	ONVOY, LLC - CA	649C	PLDL LNVY	CA
2013-02-11	661-964-4XXX	4000–4999	Assigned	ONVOY, LLC - CA	649C	SNCA NHCS	CA
2013-02-08	661-228-6XXX	6000–6999	Assigned	ONVOY, LLC - CA	649C	HI VISTA	CA
2013-02-08	661-262-4XXX	4000–4999	Assigned	ONVOY, LLC - CA	649C	LAKEHUGHES	CA
2013-02-06	661-249-7XXX	7000–7999	Assigned	ONVOY, LLC - CA	649C	BIG BUTTE	CA
2013-02-06	661-600-9XXX	9000–9999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	SNCA NHCS	CA
2013-02-01	661-441-7XXX	7000–7999	Assigned	CENTURYLINK COMMUNICATIONS, LLC	508J	PLDL PLDL	CA
2013-02-01	661-471-7XXX	7000–7999	Assigned	CENTURYLINK COMMUNICATIONS, LLC	508J	LANCASTER	CA
2013-01-29	661-473-0XXX	0000–0999	Assigned	BANDWIDTH.COM CLEC, LLC - CA	981E	BKFD SOUTH	CA
2013-01-29	661-705-6XXX	6000–6999	Assigned	CENTURYLINK COMMUNICATIONS, LLC	508J	SNCA NHCS	CA
2013-01-24	661-529-2XXX	2000–2999	Assigned	BANDWIDTH.COM CLEC, LLC - CA	981E	BKFD SOUTH	CA
2013-01-16	661-584-2XXX	2000–2999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	MOJAVE	CA
2013-01-16	661-750-6XXX	6000–6999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	TEHACHAPI	CA
2013-01-14	661-426-2XXX	2000–2999	Assigned	ONVOY, LLC - CA	649C	BKFD MAIN	CA
2013-01-09	661-448-5XXX	5000–5999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	6006	BKFD MAIN	CA
2013-01-09	661-448-6XXX	6000–6999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	6006	BKFD MAIN	CA
2013-01-09	661-448-7XXX	7000–7999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	6006	BKFD MAIN	CA
2013-01-07	661-537-4XXX	4000–4999	Assigned	METROPCS NETWORKS, LLC	899D	PLDL PLDL	CA
2012-12-14	661-446-7XXX	7000–7999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	DELANO	CA
2012-12-14	661-533-4XXX	4000–4999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	PLDL PLDL	CA
2012-12-13	661-437-3XXX	3000–3999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	BKFD MAIN	CA
2012-12-05	661-362-8XXX	8000–8999	Assigned	ONVOY, LLC - CA	649C	SNCA NHCS	CA
2012-12-05	661-666-5XXX	5000–5999	Assigned	ONVOY, LLC - CA	649C	SNCA NHCS	CA
2012-12-05	661-888-2XXX	2000–2999	Assigned	ONVOY, LLC - CA	649C	SNCA NHCS	CA
2012-12-04	661-228-5XXX	5000–5999	Assigned	ONVOY, LLC - CA	649C	HI VISTA	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.