NumberResearch Membership · Data 09/21/2026

Recent thousands-block assignments

24 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026

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 530
ONVOY, LLC - CA 9
BANDWIDTH.COM CLEC, LLC - CA 6
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 4
OPENTACT INC. 3
T-MOBILE USA, INC. 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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2013-03-18 530-215-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 REDDING CA
2013-03-18 530-999-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 REDDING CA
2013-03-14 530-656-3XXX 3000–3999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F NICOLAUS CA
2013-03-14 530-656-4XXX 4000–4999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F NICOLAUS CA
2013-03-14 530-948-5XXX 5000–5999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F MERIDIAN CA
2013-03-14 530-948-6XXX 6000–6999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F MERIDIAN CA
2013-03-12 530-517-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BUTTE CITY CA
2013-03-08 530-358-4XXX 4000–4999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F NOSAN JUAN CA
2013-03-08 530-491-0XXX 0000–0999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F MARYSVILLE CA
2013-03-08 530-497-3XXX 3000–3999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F PLVL WEST CA
2013-03-04 530-212-4XXX 4000–4999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F WINTERS CA
2013-03-04 530-213-5XXX 5000–5999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F NTAH BCWY CA
2013-03-04 530-214-7XXX 7000–7999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F TRUCKEE CA
2013-03-04 530-264-3XXX 3000–3999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F NEVADACITY CA
2013-03-04 530-296-5XXX 5000–5999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F PLVL KYBRZ CA
2013-03-04 530-362-3XXX 3000–3999Assigned ONVOY, LLC - CA 649C NEVADACITY CA
2013-03-04 530-379-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C WOODLAND CA
2013-03-04 530-422-5XXX 5000–5999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F CLFX WEMR CA
2013-03-04 530-422-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C CLFX WEMR CA
2013-03-04 530-426-4XXX 4000–4999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F SODA SPG CA
2013-03-04 530-429-6XXX 6000–6999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F DOWNIEVL CA
2013-03-04 530-434-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C MARYSVILLE CA
2013-03-04 530-444-7XXX 7000–7999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F GEORGETOWN CA
2013-03-04 530-451-5XXX 5000–5999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F SMARTSVL CA
2013-03-04 530-455-3XXX 3000–3999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F LIVE OAK CA
2013-03-04 530-483-5XXX 5000–5999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F WHEATLAND CA
2013-03-04 530-488-1XXX 1000–1999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F AUBN MAIN CA
2013-03-04 530-488-5XXX 5000–5999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F AUBN MAIN CA
2013-03-04 530-506-3XXX 3000–3999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F KNIGHTSLDG CA
2013-03-04 530-507-4XXX 4000–4999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F ESPARTO CA
2013-03-04 530-508-3XXX 3000–3999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F DUNNIGAN CA
2013-03-04 530-512-3XXX 3000–3999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F COLFAX CA
2013-03-04 530-522-6XXX 6000–6999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F CAMPTONVL CA
2013-03-04 530-535-7XXX 7000–7999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F ALLEGHANY CA
2013-03-04 530-558-4XXX 4000–4999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F SHINGLESPG CA
2013-03-04 530-578-3XXX 3000–3999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F SOUTHTAHOE CA
2013-03-04 530-615-5XXX 5000–5999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F GRVY MAIN CA
2013-03-04 530-639-4XXX 4000–4999Assigned ONVOY, LLC - CA 649C SMARTSVL CA
2013-03-04 530-653-8XXX 8000–8999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F AUBN NORTH CA
2013-03-04 530-653-9XXX 9000–9999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F AUBN NORTH CA
2013-03-04 530-686-2XXX 2000–2999Assigned ONVOY, LLC - CA 649C HOMEWOOD CA
2013-03-04 530-719-3XXX 3000–3999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F PLVL SOUTH CA
2013-03-04 530-738-7XXX 7000–7999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F ROBBINS CA
2013-03-04 530-760-4XXX 4000–4999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F DAVIS CA
2013-03-04 530-802-9XXX 9000–9999Assigned ONVOY, LLC - CA 649C GRVY MAIN CA
2013-03-04 530-847-6XXX 6000–6999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F ALTA CA
2013-03-01 530-456-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C GRIDLEY CA
2013-03-01 530-794-9XXX 9000–9999Assigned ONVOY, LLC - CA 649C WINTERS CA
2013-02-22 530-214-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 TRUCKEE CA
2013-02-22 530-961-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 7128 CHICO CA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.