Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: OKLDCA03DS6

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-217 3 Oakland: Alameda DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-200 A St Helena CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-200 0 St Helena CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-200 9 St Helena CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-293 2 Santa Rosa CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2006-11-01   
707-359 3 Vacaville CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2004-08-02   
707-366 3 Fairfield-Suisun CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-12-14   
707-540 A Santa Rosa CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-540 9 Santa Rosa CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-639 4 Fairfield-Suisun CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2003-10-31   
707-666 4 Napa CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2012-06-08   
707-816 3 Fairfield-Suisun CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2006-03-24   
707-816 4 Fairfield-Suisun CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2006-03-24   
707-816 5 Fairfield-Suisun CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2006-03-24   
707-931 A Sonoma CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-931 2 Sonoma CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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