Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 4420 FRONTIER CALIFORNIA INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
559-787 3 Tivy Valley CA   728      
559-829 A San Joaquin CA CNCKCAXFRS1  728      
559-829 9 San Joaquin CA   728      
559-875 A Sanger CA SNGRCAXFPS1  728      
559-876 A Sanger CA SNGRCAXF87A  728      
559-876 1 Sanger CA   728      
559-876 2 Sanger CA   728      
559-876 3 Sanger CA   728      
559-876 6 Sanger CA   728      
559-949 A Alpaugh CA ALPGCAXFRS1  728      
559-949 8 Alpaugh CA   728      
559-992 A Corcoran CA CRCRCAXFDS0  728      
559-992 1 Corcoran CA   728      
559-992 2 Corcoran CA   728      
559-992 3 Corcoran CA   728      
559-992 4 Corcoran CA   728      
559-992 5 Corcoran CA   728      
559-992 7 Corcoran CA   728      
559-992 8 Corcoran CA   728      
559-992 9 Corcoran CA   728      
661-465 A Berrenda Mesa CA BRMSCAXFRL1  734      
661-465 5 Berrenda Mesa CA   734      
661-536 A Glennville CA GLVLCAXFRS9  734      
661-536 8 Glennville CA   734      
661-548 A California Hot Springs CA CHSPCAXFRS1  734      
661-548 6 California Hot Springs CA   734      
661-762 A McKittrick CA MCKTCAXFRS1  734      
661-762 6 McKittrick CA   734      
661-762 7 McKittrick CA   734      
661-762 8 McKittrick CA   734      
661-763 A Taft CA BTNWCAXFPS0  734      
661-763 0 Taft CA   734      
661-763 1 Taft CA   734      
661-763 2 Taft CA   734      
661-763 3 Taft CA   734      
661-763 4 Taft CA   734      
661-763 5 Taft CA   734      
661-763 6 Taft CA   734      
661-763 7 Taft CA   734      
661-763 8 Taft CA   734      
661-764 A Buttonwillow CA BTNWCAXFRS3  734      
661-764 5 Buttonwillow CA   734      
661-764 6 Buttonwillow CA   734      
661-764 9 Buttonwillow CA   734      
661-765 A Taft CA TAFTCAXFDS0  734      
661-765 1 Taft CA   734      
661-765 2 Taft CA   734      
661-765 3 Taft CA   734      
661-765 4 Taft CA   734      
661-765 5 Taft CA   734      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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