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
2013-12-09	661-438-3XXX	3000–3999	Assigned	ONVOY, LLC - CA	649C	WASCO	CA
2013-12-09	661-441-6XXX	6000–6999	Assigned	BANDWIDTH.COM CLEC, LLC - CA	981E	PLDL PLDL	CA
2013-12-09	661-443-3XXX	3000–3999	Assigned	ONVOY, LLC - CA	649C	WALKERBSIN	CA
2013-12-09	661-447-9XXX	9000–9999	Assigned	T-MOBILE USA, INC.	6529	BKFD MAIN	CA
2013-12-09	661-452-8XXX	8000–8999	Assigned	BANDWIDTH.COM CLEC, LLC - CA	981E	BERENDMESA	CA
2013-12-09	661-459-5XXX	5000–5999	Assigned	ONVOY, LLC - CA	649C	SHAFTER	CA
2013-12-09	661-475-5XXX	5000–5999	Assigned	ONVOY, LLC - CA	649C	EDWARDS	CA
2013-12-09	661-529-7XXX	7000–7999	Assigned	ONVOY, LLC - CA	649C	BKFD SOUTH	CA
2013-12-09	661-771-3XXX	3000–3999	Assigned	ONVOY, LLC - CA	649C	TEHACHAPI	CA
2013-12-09	661-855-9XXX	9000–9999	Assigned	T-MOBILE USA, INC.	6529	ARVIN	CA
2013-12-09	661-977-6XXX	6000–6999	Assigned	BANDWIDTH.COM CLEC, LLC - CA	981E	SNCA SGCC	CA
2013-12-04	661-426-8XXX	8000–8999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	BKFD MAIN	CA
2013-11-21	661-426-3XXX	3000–3999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	BKFD MAIN	CA
2013-11-21	661-426-4XXX	4000–4999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	BKFD MAIN	CA
2013-11-14	661-450-3XXX	3000–3999	Assigned	BANDWIDTH.COM CLEC, LLC - CA	981E	PLDL AGDL	CA
2013-11-11	661-745-5XXX	5000–5999	Assigned	BHN IP ENABLED SERVICES, LLC	045L	TAFT	CA
2013-11-07	661-441-4XXX	4000–4999	Assigned	AT&T ENTERPRISES, LLC	516C	PLDL PLDL	CA
2013-11-06	661-426-9XXX	9000–9999	Assigned	T-MOBILE USA, INC.	6529	BKFD MAIN	CA
2013-11-05	661-481-4XXX	4000–4999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	6006	SNCA NHCS	CA
2013-11-01	661-402-8XXX	8000–8999	Assigned	ONVOY, LLC - CA	649C	PLDL AGDL	CA
2013-11-01	661-402-9XXX	9000–9999	Assigned	ONVOY, LLC - CA	649C	PLDL AGDL	CA
2013-11-01	661-424-2XXX	2000–2999	Assigned	ONVOY, LLC - CA	649C	SNCA SGCC	CA
2013-11-01	661-424-8XXX	8000–8999	Assigned	ONVOY, LLC - CA	649C	SNCA SGCC	CA
2013-10-30	661-463-6XXX	6000–6999	Assigned	ONVOY, LLC - CA	649C	HI VISTA	CA
2013-10-30	661-463-7XXX	7000–7999	Assigned	ONVOY, LLC - CA	649C	HI VISTA	CA
2013-10-30	661-695-8XXX	8000–8999	Assigned	BHN IP ENABLED SERVICES, LLC	045L	BKFD NORTH	CA
2013-10-17	661-293-7XXX	7000–7999	Assigned	BANDWIDTH.COM CLEC, LLC - CA	981E	TAFT	CA
2013-10-17	661-430-9XXX	9000–9999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	SNCA SGCC	CA
2013-10-11	661-513-5XXX	5000–5999	Assigned	LEVEL 3 TELECOM OF CALIFORNIA, LP - CA	7718	SNCA SGCC	CA
2013-10-08	661-221-8XXX	8000–8999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	6006	MOJAVE	CA
2013-10-07	661-401-1XXX	1000–1999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	6006	BKFD MAIN	CA
2013-10-07	661-426-0XXX	0000–0999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	6006	BKFD MAIN	CA
2013-10-07	661-446-3XXX	3000–3999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	6006	DELANO	CA
2013-10-07	661-481-8XXX	8000–8999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	6006	SNCA NHCS	CA
2013-10-04	661-777-9XXX	9000–9999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	LEBEC	CA
2013-10-04	661-829-0XXX	0000–0999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	BKFD NORTH	CA
2013-10-01	661-481-2XXX	2000–2999	Assigned	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	671J	SNCA NHCS	CA
2013-09-19	661-473-5XXX	5000–5999	Assigned	PACIFIC BELL	9740	BKFD SOUTH	CA
2013-09-19	661-473-6XXX	6000–6999	Assigned	PACIFIC BELL	9740	BKFD SOUTH	CA
2013-09-19	661-473-8XXX	8000–8999	Assigned	PACIFIC BELL	9740	BKFD SOUTH	CA
2013-09-12	661-448-8XXX	8000–8999	Assigned	TELEPORT COMMUNICATIONS AMERICA, LLC - CA	7139	BKFD MAIN	CA
2013-09-11	661-776-9XXX	9000–9999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	SHAFTER	CA
2013-09-11	661-855-7XXX	7000–7999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	ARVIN	CA
2013-09-05	661-418-5XXX	5000–5999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - CA	8826	LANCASTER	CA
2013-09-04	661-764-2XXX	2000–2999	Assigned	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	671J	BUTTONWLLW	CA
2013-08-30	661-390-1XXX	1000–1999	Assigned	T-MOBILE USA, INC.	6529	ARVIN	CA
2013-08-30	661-448-0XXX	0000–0999	Assigned	T-MOBILE USA, INC.	6529	BKFD MAIN	CA
2013-08-27	661-441-8XXX	8000–8999	Assigned	ONVOY, LLC - CA	649C	PLDL PLDL	CA
2013-08-27	661-481-7XXX	7000–7999	Assigned	ONVOY, LLC - CA	649C	SNCA NHCS	CA
2013-08-26	661-464-7XXX	7000–7999	Assigned	ONVOY, LLC - CA	649C	LAKEHUGHES	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.