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: SNDGCA0240Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
619-359 A San Diego: San Diego DA CA 551G NUSO, LLC 732      
619-359 1 San Diego: San Diego DA CA 551G NUSO, LLC 732   2013-01-04   
619-539 2 San Diego: San Diego DA CA 551G NUSO, LLC 732   2018-03-06   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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