Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
820-888 A Simi Valley CA 145J TERRA NOVA TELECOM INC. 730      
840-777 A Pomona CA 145J TERRA NOVA TELECOM INC. 730      
840-888 A Redlands CA 145J TERRA NOVA TELECOM INC. 730      
840-999 A Upland CA 145J TERRA NOVA TELECOM INC. 730      
909-293 0 Claremont-San Dimas CA 145J TERRA NOVA TELECOM INC. 730   2024-11-14   
909-334 8 Chino CA 145J TERRA NOVA TELECOM INC. 730   2024-07-10   
909-525 1 Pomona CA 145J TERRA NOVA TELECOM INC. 730   2024-10-14   
909-670 0 Claremont-San Dimas CA 145J TERRA NOVA TELECOM INC. 730   2024-04-21   
909-740 1 Ontario CA 145J TERRA NOVA TELECOM INC. 730   2024-08-29   
909-746 2 Rialto CA 145J TERRA NOVA TELECOM INC. 730   2024-07-08   
909-765 9 Marshall CA 145J TERRA NOVA TELECOM INC. 730   2024-08-21   
909-954 4 Colton CA 145J TERRA NOVA TELECOM INC. 730   2025-01-02   
949-486 0 Irvine CA 145J TERRA NOVA TELECOM INC. 730   2024-11-14   
949-820 0 Newport Beach CA 145J TERRA NOVA TELECOM INC. 730   2024-09-21   
951-261 9 Riverside CA 145J TERRA NOVA TELECOM INC. 730   2025-01-08   
951-284 2 Corona CA 145J TERRA NOVA TELECOM INC. 730   2024-05-11   
951-284 3 Corona CA 145J TERRA NOVA TELECOM INC. 730   2024-12-30   
951-572 0 Banning CA 145J TERRA NOVA TELECOM INC. 730   2025-01-08   
951-588 1 Arlington CA 145J TERRA NOVA TELECOM INC. 730   2024-05-11   
951-813 4 Murrieta CA 145J TERRA NOVA TELECOM INC. 730   2024-11-14   
951-840 3 Arlington CA 145J TERRA NOVA TELECOM INC. 730   2024-12-30   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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