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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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      
858-369 8 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      
858-523 0 Del Mar CA 9740 PACIFIC BELL 732      
858-523 1 Del Mar CA 9740 PACIFIC BELL 732      
858-523 2 Del Mar CA 9740 PACIFIC BELL 732      
858-523 3 Del Mar CA 9740 PACIFIC BELL 732      
858-523 4 Del Mar CA 9740 PACIFIC BELL 732      
858-523 5 Del Mar CA 9740 PACIFIC BELL 732      
858-523 6 Del Mar CA 9740 PACIFIC BELL 732      
858-523 7 Del Mar CA 9740 PACIFIC BELL 732      
858-523 9 Del Mar CA 9740 PACIFIC BELL 732      
858-617 7 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      
858-847 0 Del Mar CA 9740 PACIFIC BELL 732      
858-847 3 Del Mar CA 9740 PACIFIC BELL 732      
858-847 4 Del Mar CA 9740 PACIFIC BELL 732      
858-847 6 Del Mar CA 9740 PACIFIC BELL 732      
858-847 7 Del Mar CA 9740 PACIFIC BELL 732      
858-847 9 Del Mar CA 9740 PACIFIC BELL 732      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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