Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-942 2 Richmond CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-01-29   
510-942 3 Richmond CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-01-29   
510-942 4 Richmond CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-01-29   
510-946 3 Fremont-Newark: Oliver DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-09-25   
510-946 4 Fremont-Newark: Oliver DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-09-25   
510-946 5 Fremont-Newark: Oliver DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-09-25   
510-946 6 Fremont-Newark: Oliver DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-09-25   
510-946 8 Fremont-Newark: Oliver DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-11-23   
510-971 A Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-971 5 Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2021-03-03   
510-971 6 Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2021-01-21   
510-971 7 Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2021-01-21   
510-971 8 Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2021-01-21   
510-971 9 Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2021-01-21   
510-992 5 Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2020-09-15   
628-208 8 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2017-08-18   
628-213 1 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2017-01-30   
628-213 2 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2017-01-30   
628-217 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-217 5 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-10-20   
628-217 6 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-10-20   
628-217 7 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-10-20   
628-217 8 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-10-20   
628-217 9 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-10-20   
628-240 2 San Rafael CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2017-12-04   
628-247 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-247 0 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-247 1 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-247 2 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-247 3 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-247 4 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-247 5 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-247 6 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-247 7 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-247 8 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-247 9 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-248 A San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-248 0 San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-248 1 San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-248 2 San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-248 3 San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-248 4 San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-248 5 San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-248 6 San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-248 7 San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-248 8 San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-248 9 San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-09-19   
628-267 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-267 1 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2019-09-21   
628-267 6 San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2020-05-17   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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