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: ALMDCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-263 A Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-263 0 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-263 1 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-263 2 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-263 4 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-337 A Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-337 0 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-337 1 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-337 2 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-337 3 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-337 5 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-337 6 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-337 7 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-337 8 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-337 9 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-521 A Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-522 A Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-523 A Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-747 A Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-747 0 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-747 1 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-747 3 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-747 4 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-747 6 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-747 7 Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-748 A Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-749 A Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-769 A Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-814 A Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-864 A Oakland: Alameda DA CA 9740 PACIFIC BELL 722      
510-865 A Oakland: Alameda DA CA 9740 PACIFIC BELL 722      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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