Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-827 A Los Gatos CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
408-904 A San Jose: North DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
408-960 A San Jose: South DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
408-961 A San Jose: West DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
408-962 A Sunnyvale CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
408-963 A Campbell CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
408-964 A San Jose: North DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-216 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-229 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-236 A Inverness CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-268 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-276 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-293 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-570 A San Francisco: Juniper DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-571 A San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-763 A Ignacio CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-779 A Stinson Beach-Bolinas CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-785 A San Rafael CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-848 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-887 A Sausalito CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
415-889 A Belvedere CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
510-217 A Oakland: Alameda DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
510-479 A Oakland: Fruitvale DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
510-491 A Fremont-Newark: Greenleaf DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
510-879 A Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
510-896 A Fremont-Newark: Main DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
510-897 A Fremont-Newark: Oliver DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
510-898 A Oakland: Berkeley DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
510-921 A Hayward CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-258 A Palo Alto CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-11-11   
650-316 A Mountain View CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-530 A Woodside CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-581 A San Mateo CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-645 A San Mateo CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-689 A Millbrae CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-729 A Half Moon Bay CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-735 A Pacifica CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-745 A South San Francisco CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-748 A La Honda CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-779 A Redwood City CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-798 A Palo Alto CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-801 A San Carlos-Belmont CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-821 A South San Francisco CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-881 A Pescadero CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
707-260 A Napa CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
707-267 A Eureka CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
707-639 A Fairfield-Suisun CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
707-653 A Vallejo CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
707-669 A Cloverdale CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
707-741 A Benicia CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      

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Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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