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: PDLYCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
951-360 A Mira Loma CA 9740 PACIFIC BELL 730      
951-361 A Mira Loma CA 9740 PACIFIC BELL 730      
951-681 A Mira Loma CA 9740 PACIFIC BELL 730      
951-685 A Mira Loma CA 9740 PACIFIC BELL 730      
951-727 A Mira Loma CA 9740 PACIFIC BELL 730      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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