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: LTRKCA11DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
661-944 A Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-944 0 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-944 1 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-944 2 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-944 3 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-944 4 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-944 5 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-944 6 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-944 8 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      
661-944 9 Palmdale: Palmdale DA CA 9740 PACIFIC BELL 730      

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

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