Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 628 [Rate centres in NPA 628] [Dial plan for NPA 628]

NXX: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-220 A San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
628-220 0 San Francisco: Central DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-05-13   
628-220 1 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-06-02   
628-220 2 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-04-04   
628-220 3 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-04-04   
628-220 4 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-04-04   
628-220 5 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-06-02   
628-220 6 San Francisco: Central DA CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-06-06   
628-220 7 San Francisco: Central DA CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2016-06-06   
628-220 8 San Francisco: Central DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2016-05-22   
628-220 9 San Francisco: Central DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2016-05-22   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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