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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Switch: SNJSCA02DS4

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-427 A Gilroy CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
408-647 A Saratoga CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
408-664 A Sunnyvale CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2012-05-07   
408-678 A San Jose: North DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
408-783 A San Jose: West DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-09-04   
408-825 A Morgan Hill CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
408-862 A San Jose: West DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
408-974 A San Jose: West DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
510-257 A Fremont-Newark: Oliver DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-383 A Los Altos CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-384 A Palo Alto CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-385 A Redwood City CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-386 A Mountain View CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-488 A San Francisco: Juniper DA CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
650-718 A Moss Beach CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
831-216 A Felton CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
831-217 A Boulder Creek CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
831-218 A Ben Lomond CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
831-219 A Aptos CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      

Last updated: Sun, 29 Sep 2019 14:17:11 UTC

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