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: DLMRCA12DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
858-259 A Del Mar CA 9740 PACIFIC BELL 732      
858-350 A Del Mar CA 9740 PACIFIC BELL 732      
858-481 A Del Mar CA 9740 PACIFIC BELL 732      
858-509 A Del Mar CA 9740 PACIFIC BELL 732      
858-523 A Del Mar CA 9740 PACIFIC BELL 732      
858-720 A Del Mar CA 9740 PACIFIC BELL 732      
858-755 A Del Mar CA 9740 PACIFIC BELL 732      
858-792 A Del Mar CA 9740 PACIFIC BELL 732      
858-793 A Del Mar CA 9740 PACIFIC BELL 732      
858-794 A Del Mar CA 9740 PACIFIC BELL 732      
858-847 A Del Mar CA 9740 PACIFIC BELL 732      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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