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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SNJSCAYBDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-200 A San Jose: West DA CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
408-207 A San Jose: West DA CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
408-240 A San Jose: North DA CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
408-637 A Campbell CA 7453 U.S. TELEPACIFIC CORP. - CA 722   2010-04-22   
408-754 A San Jose: South DA CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
408-913 A Saratoga CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
415-213 A San Francisco: Montrose-Evergreen DA CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
415-321 A San Francisco: Central DA CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
415-410 A San Francisco: Montrose-Evergreen DA CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
415-568 A San Francisco: Central DA CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
415-569 A Mill Valley CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
415-755 A San Rafael CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
415-937 A Belvedere CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
510-456 A Fremont-Newark: Main DA CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
510-746 A Oakland: Trinidad DA CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
510-933 A Fremont-Newark: Oliver DA CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
510-995 A Oakland: Alameda DA CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-209 A Los Altos CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-243 A South San Francisco CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-417 A Mountain View CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-421 A Redwood City CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-434 A Woodside CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-443 A Millbrae CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-479 A Half Moon Bay CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-487 A La Honda CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-516 A Pacifica CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-535 A Moss Beach CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-538 A Pescadero CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-543 A Palo Alto CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-810 A Mountain View CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
650-931 A San Mateo CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
707-303 A Santa Rosa CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
707-560 A Clearlake Oaks CA 7453 U.S. TELEPACIFIC CORP. - CA 722   2008-03-07   
831-222 A Felton CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
831-600 A Santa Cruz CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-320 A Moraga CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-331 A Antioch CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-438 A Orinda CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-444 A Lafayette CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-452 A Dublin-San Ramon CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-474 A Pleasanton CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-480 A Bishop Ranch CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-482 A Walnut Creek CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-498 A Bishop Ranch CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-526 A Pittsburg CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-583 A Livermore CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-643 A Pittsburg West CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-678 A Danville CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-809 A East Contra Costa CA 7453 U.S. TELEPACIFIC CORP. - CA 722      
925-835 A Sunol CA 7453 U.S. TELEPACIFIC CORP. - CA 722      

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

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