NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

21 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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
2006-07-18 949-748-3XXX 3000–3999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L IRVINE CA
2006-07-17 949-748-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 IRVINE CA
2006-07-13 949-355-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 NEWPORTBCH CA
2006-07-13 949-514-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 NEWPORTBCH CA
2006-07-13 949-616-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 SADLBK VLY CA
2006-07-13 949-616-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 SADLBK VLY CA
2006-07-13 949-616-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 SADLBK VLY CA
2006-07-06 949-892-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2006-06-16 949-648-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2006-06-16 949-648-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2006-06-16 949-648-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2006-06-16 949-648-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2006-06-16 949-648-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2006-06-16 949-648-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2006-06-12 949-545-7XXX 7000–7999Assigned AT&T ENTERPRISES, LLC 516C CAPITRNVLY CA
2006-06-12 949-743-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 IRVINE CA
2006-06-09 949-444-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 CAPITRNVLY CA
2006-06-09 949-444-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 CAPITRNVLY CA
2006-06-02 949-485-7XXX 7000–7999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 CAPITRNVLY CA
2006-06-02 949-521-5XXX 5000–5999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 SADLBK VLY CA
2006-06-02 949-698-5XXX 5000–5999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 NEWPORTBCH CA
2006-06-02 949-728-5XXX 5000–5999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 RNCHOVIEJO CA
2006-06-02 949-748-2XXX 2000–2999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 IRVINE CA
2006-06-02 949-750-3XXX 3000–3999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 TRABUCO CA
2006-05-31 949-870-3XXX 3000–3999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J IRVINE CA
2006-05-31 949-870-4XXX 4000–4999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J IRVINE CA
2006-05-25 949-264-1XXX 1000–1999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 TRABUCO CA
2006-05-25 949-680-2XXX 2000–2999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L SADLBK VLY CA
2006-05-18 949-878-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 IRVINE CA
2006-05-18 949-878-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 IRVINE CA
2006-05-18 949-878-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 IRVINE CA
2006-05-16 949-257-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 CAPITRNVLY CA
2006-05-15 949-287-6XXX 6000–6999Assigned AT&T ENTERPRISES, LLC 516C NEWPORTBCH CA
2006-05-12 949-243-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 SADLBK VLY CA
2006-05-12 949-243-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 SADLBK VLY CA
2006-05-12 949-243-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 SADLBK VLY CA
2006-05-12 949-514-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 NEWPORTBCH CA
2006-05-12 949-514-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 NEWPORTBCH CA
2006-05-05 949-374-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 CAPITRNVLY CA
2006-04-24 949-878-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 IRVINE CA
2006-04-24 949-878-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 IRVINE CA
2006-04-21 949-258-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 NEWPORTBCH CA
2006-04-20 949-276-2XXX 2000–2999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L CAPITRNVLY CA
2006-04-20 949-702-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 RNCHOVIEJO CA
2006-04-14 949-335-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 NEWPORTBCH CA
2006-04-14 949-892-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2006-04-14 949-892-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2006-04-14 949-892-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2006-04-14 949-892-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 IRVINE CA
2006-04-11 949-748-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J IRVINE CA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.