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
341-202 A Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
341-220 A Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
369-209 A Napa CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-352 A San Jose: West DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-470 A Sunnyvale CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-518 A San Jose: North DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-705 A San Jose: South DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-826 A San Jose: South DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
415-408 A Novato CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
415-413 A Corte Madera CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-313 A Hercules-Rodeo CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-350 A Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-389 A Oakland: Trinidad DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-394 A Oakland: Trinidad DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-395 A Oakland: Fruitvale DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-449 A Fremont-Newark: Main DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-457 A Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-942 A Richmond CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-971 A Oakland: Main-Piedmont DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-217 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-247 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-248 A San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-267 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-321 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-322 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-323 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-324 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-325 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-326 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-652 A San Francisco: Central DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-754 A San Francisco: Montrose-Evergreen DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-414 A Redwood City CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-540 A South San Francisco CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-693 A Mountain View CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-760 A South San Francisco CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
669-212 A San Jose: West DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
669-229 A San Jose: West DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
669-283 A San Jose: West DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
669-325 A San Jose: West DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-236 A Santa Rosa CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-02-14   
707-395 A Healdsburg CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-403 A Calistoga CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-415 A Yountville CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-604 A Guerneville CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-620 A Windsor CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-658 A Petaluma: Main DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-660 A Vacaville CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-814 A Geyserville CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-820 A Forestville CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-904 A Forestville CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-914 A Fairfield-Suisun CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-992 A Petaluma: Swift DA CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-208 A Danville CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-271 A Pleasanton CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-361 A Dublin-San Ramon CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-385 A Lafayette CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-387 A Martinez CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-388 A Moraga CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-395 A Walnut Creek CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-425 A Pleasanton CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-493 A Livermore CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-566 A Concord CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-568 A Sunol CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-965 A Pleasanton CA 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      

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

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