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
619-355 A La Mesa CA 6967 33 WIRELESS INC. 732      
619-577 A San Diego: San Diego DA CA 252F WIDE VOICE, LLC - CA 732      
619-801 A San Diego: San Diego DA CA 6967 33 WIRELESS INC. 732      
619-999 A Rancho Santa Fe CA 252F WIDE VOICE, LLC - CA 732   2024-11-01   
760-204 A San Marcos CA 6967 33 WIRELESS INC. 732      
760-225 A Escondido CA 6967 33 WIRELESS INC. 732      
760-526 A Oceanside: Oceanside DA CA 6967 33 WIRELESS INC. 732      
858-250 A La Jolla CA 252F WIDE VOICE, LLC - CA 732      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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