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: PLDLCA01DS0

Remotes:

Switch Switch name Switch type
ACTNCA11RS1  ACTON  RSC 
AGDLCA11RS0  AGUA DULCE  RSC 
LNVYCA11RS0  LEONA VALLEY  RSC 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
661-574 2 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-574 3 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-574 4 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-574 6 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-574 9 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-575 A Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-575 0 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-575 1 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-575 2 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-575 8 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-575 9 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-789 A Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-789 0 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-789 1 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-789 2 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-789 3 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-789 4 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-789 5 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-789 6 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-789 9 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-947 A Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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