NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

21 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 949
NEW CINGULAR WIRELESS PCS, LLC 18
ONVOY, LLC - CA 2
OPENTACT INC. 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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2012-09-21 949-381-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E IRVINE CA
2012-09-18 949-357-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E LAGUNA BCH CA
2012-09-18 949-424-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E LAGUNA BCH CA
2012-09-18 949-424-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E LAGUNA BCH CA
2012-09-18 949-424-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E LAGUNA BCH CA
2012-09-18 949-424-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E LAGUNA BCH CA
2012-09-18 949-629-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E NEWPORTBCH CA
2012-09-18 949-629-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E NEWPORTBCH CA
2012-09-18 949-629-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E NEWPORTBCH CA
2012-09-13 949-381-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 IRVINE CA
2012-08-31 949-238-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 7240 SADLBK VLY CA
2012-08-27 949-791-3XXX 3000–3999Assigned PAETEC ITEL, LLC 829J NEWPORTBCH CA
2012-08-24 949-345-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E IRVINE CA
2012-08-23 949-381-3XXX 3000–3999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L IRVINE CA
2012-08-17 949-237-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2012-08-17 949-237-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2012-08-17 949-237-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2012-08-17 949-237-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2012-08-14 949-345-7XXX 7000–7999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J IRVINE CA
2012-08-14 949-345-8XXX 8000–8999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J IRVINE CA
2012-08-13 949-356-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 SADLBK VLY CA
2012-08-13 949-381-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 IRVINE CA
2012-08-13 949-381-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 IRVINE CA
2012-08-13 949-610-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 NEWPORTBCH CA
2012-08-13 949-629-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 NEWPORTBCH CA
2012-08-08 949-324-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 CAPITRNVLY CA
2012-08-08 949-324-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 CAPITRNVLY CA
2012-08-08 949-324-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 CAPITRNVLY CA
2012-08-08 949-324-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 CAPITRNVLY CA
2012-08-03 949-245-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 CAPITRNVLY CA
2012-08-03 949-258-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 NEWPORTBCH CA
2012-08-03 949-424-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 LAGUNA BCH CA
2012-08-03 949-596-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 IRVINE CA
2012-08-03 949-975-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 IRVINE CA
2012-08-01 949-864-8XXX 8000–8999Assigned LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 7718 IRVINE CA
2012-07-31 949-482-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 CAPITRNVLY CA
2012-07-19 949-751-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J IRVINE CA
2012-06-28 949-287-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 NEWPORTBCH CA
2012-06-26 949-345-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 IRVINE CA
2012-06-26 949-345-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 IRVINE CA
2012-06-26 949-345-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 IRVINE CA
2012-06-22 949-238-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 SADLBK VLY CA
2012-06-22 949-258-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 NEWPORTBCH CA
2012-06-22 949-298-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 TRABUCO CA
2012-06-22 949-398-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 IRVINE CA
2012-06-15 949-342-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E LAGUNA BCH CA
2012-06-07 949-482-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 CAPITRNVLY CA
2012-06-05 949-415-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 LAGUNA BCH CA
2012-06-05 949-527-4XXX 4000–4999Assigned LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 7718 IRVINE CA
2012-06-05 949-613-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 LAGUNA BCH 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.