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: FRMTCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-284 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-494 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-505 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-574 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-608 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-713 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-739 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-742 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-744 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-745 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-790 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-791 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-792 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-793 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-794 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-795 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-796 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-797 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-818 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      
510-936 A Fremont-Newark: Main DA CA 9740 PACIFIC BELL 722      

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

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