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
408-228 A San Jose: North DA CA 7262 XO CALIFORNIA, INC. 722      
408-312 A Sunnyvale CA 7262 XO CALIFORNIA, INC. 722   2006-05-21   
408-331 A Sunnyvale CA 7262 XO CALIFORNIA, INC. 722      
408-349 A Sunnyvale CA 7262 XO CALIFORNIA, INC. 722      
408-350 A San Jose: West DA CA 7262 XO CALIFORNIA, INC. 722      
408-359 A Saratoga CA 7262 XO CALIFORNIA, INC. 722      
408-414 A San Jose: South DA CA 7262 XO CALIFORNIA, INC. 722      
408-519 A San Jose: North DA CA 7262 XO CALIFORNIA, INC. 722      
408-540 A Campbell CA 7262 XO CALIFORNIA, INC. 722      
408-915 A Campbell CA 7262 XO CALIFORNIA, INC. 722   2010-09-30   
415-295 A San Rafael CA 7262 XO CALIFORNIA, INC. 722      
415-367 A Sausalito CA 7262 XO CALIFORNIA, INC. 722      
415-368 A San Francisco: Montrose-Evergreen DA CA 7262 XO CALIFORNIA, INC. 722      
415-390 A Point Reyes CA 7262 XO CALIFORNIA, INC. 722      
415-494 A San Francisco: Juniper DA CA 7262 XO CALIFORNIA, INC. 722      
415-901 A San Francisco: Central DA CA 7262 XO CALIFORNIA, INC. 722      
415-946 A San Francisco: Central DA CA 7262 XO CALIFORNIA, INC. 722      
415-962 A San Francisco: Central DA CA 7262 XO CALIFORNIA, INC. 722      
510-280 A Oakland: Berkeley DA CA 7262 XO CALIFORNIA, INC. 722      
510-323 A Richmond CA 7262 XO CALIFORNIA, INC. 722      
510-400 A Fremont-Newark: Greenleaf DA CA 7262 XO CALIFORNIA, INC. 722      
510-500 A Oakland: Fruitvale DA CA 7262 XO CALIFORNIA, INC. 722      
510-545 A Oakland: Alameda DA CA 7262 XO CALIFORNIA, INC. 722      
510-576 A Hayward CA 7262 XO CALIFORNIA, INC. 722      
510-578 A Fremont-Newark: Main DA CA 7262 XO CALIFORNIA, INC. 722      
510-580 A Fremont-Newark: Oliver DA CA 7262 XO CALIFORNIA, INC. 722      
510-740 A Oakland: Main-Piedmont DA CA 7262 XO CALIFORNIA, INC. 722      
510-743 A Fremont-Newark: Oliver DA CA 7262 XO CALIFORNIA, INC. 722      
510-803 A Hercules-Rodeo CA 7262 XO CALIFORNIA, INC. 722      
510-875 A Oakland: Trinidad DA CA 7262 XO CALIFORNIA, INC. 722      
650-227 A San Mateo CA 7262 XO CALIFORNIA, INC. 722      
650-228 A South San Francisco CA 7262 XO CALIFORNIA, INC. 722      
650-229 A Los Altos CA 7262 XO CALIFORNIA, INC. 722      
650-230 A Mountain View CA 7262 XO CALIFORNIA, INC. 722      
650-231 A Millbrae CA 7262 XO CALIFORNIA, INC. 722      
650-232 A San Carlos-Belmont CA 7262 XO CALIFORNIA, INC. 722      
650-268 A Pescadero CA 7262 XO CALIFORNIA, INC. 722      
650-275 A Woodside CA 7262 XO CALIFORNIA, INC. 722      
650-475 A Palo Alto CA 7262 XO CALIFORNIA, INC. 722      
650-716 A Redwood City CA 7262 XO CALIFORNIA, INC. 722      
650-980 A Redwood City CA 7262 XO CALIFORNIA, INC. 722      
707-227 A Napa CA 7262 XO CALIFORNIA, INC. 722      
707-228 A Santa Rosa CA 7262 XO CALIFORNIA, INC. 722      
707-345 A St Helena CA 7262 XO CALIFORNIA, INC. 722      
707-559 A Petaluma: Main DA CA 7262 XO CALIFORNIA, INC. 722      
707-587 A Kelseyville CA 7262 XO CALIFORNIA, INC. 722      
707-589 A Bodega Bay CA 7262 XO CALIFORNIA, INC. 722      
707-671 A Ukiah CA 7262 XO CALIFORNIA, INC. 722      
707-672 A Eureka CA 7262 XO CALIFORNIA, INC. 722      
707-673 A Fairfield-Suisun CA 7262 XO CALIFORNIA, INC. 722      

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

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