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: SNLOCA01XOY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
805-938 6 Santa Maria CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 740   2005-10-28   
820-208 A Atascadero CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 740      
820-208 5 Atascadero CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 740   2022-08-15   
820-208 8 Atascadero CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 740   2022-08-15   

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

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