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: SNJUCA10DS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-380 A San Jose: West DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
408-384 A Los Gatos CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
408-385 A Campbell CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
408-454 A San Jose: West DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
408-513 A San Jose: South DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
408-514 A San Jose: North DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
408-579 A San Jose: West DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
408-612 A Morgan Hill CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
408-886 A San Jose: West DA CA 748D MPOWER NETWORKS SERVICES INC. - CA 722   2006-02-17   
415-419 A San Rafael CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
415-430 A San Francisco: Central DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
415-799 A San Francisco: Juniper DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
415-820 A San Francisco: Central DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
415-829 A San Francisco: Central DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
510-239 A Oakland: Alameda DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
510-342 A Hayward CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
510-343 A Oakland: Trinidad DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
510-401 A Fremont-Newark: Greenleaf DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
510-402 A Fremont-Newark: Main DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
510-403 A Fremont-Newark: Oliver DA CA 748D MPOWER NETWORKS SERVICES INC. - CA 722      
510-463 A Oakland: Main-Piedmont DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
510-496 A Oakland: Main-Piedmont DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
510-585 A Fremont-Newark: Main DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
510-689 A Oakland: Fruitvale DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
510-698 A Oakland: Fruitvale DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
510-859 A Oakland: Berkeley DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
510-940 A Hayward CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
650-206 A Woodside CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
650-223 A Palo Alto CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
650-416 A South San Francisco CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
650-471 A Los Altos CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
650-503 A Redwood City CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
650-532 A San Mateo CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
650-832 A San Carlos-Belmont CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
707-242 A Petaluma: Swift DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
707-266 A Napa CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
707-474 A Vacaville CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
707-583 A Santa Rosa CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
707-656 A Vallejo CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
707-674 A Vallejo CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
707-720 A Fairfield-Suisun CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
707-721 A Sonoma CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
707-752 A Benicia CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
707-790 A Petaluma: Main DA CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
707-921 A Santa Rosa CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
831-515 A Santa Cruz CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
925-201 A Pleasanton CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
925-344 A Livermore CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
925-587 A Dublin-San Ramon CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      
925-588 A Walnut Creek CA 8322 MPOWER COMMUNICATIONS CORP - CA 722      

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

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