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: SNDKCA88DS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
619-345 A Dulzura CA 7453 U.S. TELEPACIFIC CORP. - CA 732      
858-400 A Rancho Santa Fe CA 7453 U.S. TELEPACIFIC CORP. - CA 732      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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