NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

2 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 714
NEW CINGULAR WIRELESS PCS, LLC 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 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
2005-08-02 714-383-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 GARDEN GRV CA
2005-08-02 714-383-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 GARDEN GRV CA
2005-08-01 714-351-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ANAHEIM CA
2005-08-01 714-351-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ANAHEIM CA
2005-08-01 714-351-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ANAHEIM CA
2005-08-01 714-351-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ANAHEIM CA
2005-08-01 714-351-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ANAHEIM CA
2005-08-01 714-351-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ANAHEIM CA
2005-07-19 714-602-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ORANGE CA
2005-07-13 714-276-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 ANAHEIM CA
2005-07-13 714-276-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 ANAHEIM CA
2005-07-13 714-326-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 ANAHEIM CA
2005-07-13 714-326-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 ANAHEIM CA
2005-07-13 714-688-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 ANAHEIM CA
2005-07-08 714-821-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 CYPRESS CA
2005-07-07 714-489-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 GARDEN GRV CA
2005-07-07 714-494-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 BREA CA
2005-07-07 714-494-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 BREA CA
2005-07-07 714-852-5XXX 5000–5999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SANTA ANA CA
2005-07-07 714-852-6XXX 6000–6999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SANTA ANA CA
2005-07-01 714-849-6XXX 6000–6999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 7240 HUNTITNBCH CA
2005-07-01 714-852-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 7240 SANTA ANA CA
2005-06-29 714-852-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SANTA ANA CA
2005-06-29 714-852-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SANTA ANA CA
2005-06-28 714-386-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 YORBALINDA CA
2005-06-28 714-386-6XXX 6000–6999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 YORBALINDA CA
2005-06-28 714-441-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 FULLERTON CA
2005-06-28 714-441-7XXX 7000–7999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 FULLERTON CA
2005-06-28 714-441-8XXX 8000–8999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 FULLERTON CA
2005-06-28 714-441-9XXX 9000–9999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 FULLERTON CA
2005-06-28 714-455-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 YORBALINDA CA
2005-06-28 714-455-8XXX 8000–8999Assigned ONVOY, LLC - CA 649C YORBALINDA CA
2005-06-28 714-588-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANAHEIM CA
2005-06-28 714-765-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANAHEIM CA
2005-06-28 714-783-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANAHEIM CA
2005-06-23 714-453-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 ORANGE CA
2005-06-09 714-887-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 HUNTITNBCH CA
2005-06-09 714-887-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 HUNTITNBCH CA
2005-06-06 714-793-1XXX 1000–1999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J WESTMINSTR CA
2005-06-02 714-519-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 FULLERTON CA
2005-06-01 714-249-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 BUENA PARK CA
2005-06-01 714-452-3XXX 3000–3999Assigned PAETEC ITEL, LLC 829J BUENA PARK CA
2005-05-26 714-300-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ANAHEIM CA
2005-05-26 714-502-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ANAHEIM CA
2005-05-26 714-520-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ANAHEIM CA
2005-05-26 714-852-3XXX 3000–3999Assigned AT&T ENTERPRISES, LLC 516C SANTA ANA CA
2005-05-26 714-852-7XXX 7000–7999Assigned METROPCS NETWORKS, LLC 899D SANTA ANA CA
2005-05-26 714-852-8XXX 8000–8999Assigned METROPCS NETWORKS, LLC 899D SANTA ANA CA
2005-05-26 714-852-9XXX 9000–9999Assigned METROPCS NETWORKS, LLC 899D SANTA ANA CA
2005-05-26 714-917-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ANAHEIM 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.