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: SNDGCA0244Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
619-577 A San Diego: San Diego DA CA 252F WIDE VOICE, LLC - CA 732      
619-577 1 San Diego: San Diego DA CA 252F WIDE VOICE, LLC - CA 732      
858-250 A La Jolla CA 252F WIDE VOICE, LLC - CA 732      
858-250 1 La Jolla CA 252F WIDE VOICE, LLC - CA 732      

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

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