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: GSHNCA11RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-651 A Visalia CA 9740 PACIFIC BELL 728      
559-651 0 Visalia CA 9740 PACIFIC BELL 728      
559-651 1 Visalia CA 9740 PACIFIC BELL 728      
559-651 2 Visalia CA 9740 PACIFIC BELL 728      
559-651 3 Visalia CA 9740 PACIFIC BELL 728      
559-651 4 Visalia CA 9740 PACIFIC BELL 728      
559-651 5 Visalia CA 9740 PACIFIC BELL 728      
559-651 7 Visalia CA 9740 PACIFIC BELL 728      
559-651 8 Visalia CA 9740 PACIFIC BELL 728      
559-651 9 Visalia CA 9740 PACIFIC BELL 728      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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