Local Calling Guide

Area code/prefix search

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Oakland: Berkeley DA, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
510-704 A BKLYCA01DS0  9740 PACIFIC BELL 722      
510-704 0 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-704 1 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-704 2 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-704 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-11-04   
510-704 4 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-704 5 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-704 6 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-704 7 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-704 8 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-704 9 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-705 A BKLYCA01DS0  9740 PACIFIC BELL 722      
510-705 0 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-04-19   
510-705 1 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2007-09-04   
510-705 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2007-05-11   
510-705 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2007-02-18   
510-705 4 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-705 5 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-705 6 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-705 7 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-705 8 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-705 9 BKLYCA01DS0  9740 PACIFIC BELL 722      
510-717 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-717 0 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-717 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-717 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-717 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-717 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-717 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-717 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-717 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-09-18   
510-717 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-717 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-725 A OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
510-725 0 OKLECAZV1MD  5562 METROPCS, INC. 722   2007-02-15   
510-725 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-02-16   
510-725 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-07-07   
510-725 3 OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
510-725 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-07-14   
510-725 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-07-07   
510-725 6 SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2018-12-31   
510-725 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-11-15   
510-725 8 OKLECAZV1MD  5562 METROPCS, INC. 722   2006-08-20   
510-725 9 OKLECAZV1MD  5562 METROPCS, INC. 722   2006-04-30   
510-809 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-809 0 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-809 1 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-809 2 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-809 3 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-809 4 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      

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

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