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: HGLDCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
909-425 A Highland CA 9740 PACIFIC BELL 730      
909-649 A Highland CA 9740 PACIFIC BELL 730      
909-649 0 Highland CA 9740 PACIFIC BELL 730      
909-862 A Highland CA 9740 PACIFIC BELL 730      
909-863 A Highland CA 9740 PACIFIC BELL 730      
909-863 0 Highland CA 9740 PACIFIC BELL 730      
909-863 1 Highland CA 9740 PACIFIC BELL 730      
909-863 2 Highland CA 9740 PACIFIC BELL 730      
909-863 5 Highland CA 9740 PACIFIC BELL 730      
909-863 7 Highland CA 9740 PACIFIC BELL 730      
909-863 9 Highland CA 9740 PACIFIC BELL 730      
909-864 A Highland CA 9740 PACIFIC BELL 730      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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