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.

NPA: 858 [Rate centres in NPA 858] [Dial plan for NPA 858]

NXX: 522

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-522 A San Diego: Linda Vista DA CA SNDGCA03DS1  9740 PACIFIC BELL 732      
858-522 0 San Diego: Linda Vista DA CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2011-05-28   
858-522 1 San Diego: Linda Vista DA CA SNDGCA03DS1  9740 PACIFIC BELL 732      
858-522 2 San Diego: Linda Vista DA CA SNDGCA03DS1  9740 PACIFIC BELL 732      
858-522 3 San Diego: Linda Vista DA CA SNDGCA03DS1  9740 PACIFIC BELL 732      
858-522 4 San Diego: Linda Vista DA CA SNDGCA03DS1  9740 PACIFIC BELL 732      
858-522 5 San Diego: Linda Vista DA CA SNDGCA03DS1  9740 PACIFIC BELL 732      
858-522 6 San Diego: Linda Vista DA CA SNDGCA03DS1  9740 PACIFIC BELL 732      
858-522 7 San Diego: Linda Vista DA CA SNDGCA03DS1  9740 PACIFIC BELL 732      
858-522 8 San Diego: Linda Vista DA CA SNDGCA03DS1  9740 PACIFIC BELL 732      
858-522 9 San Diego: Linda Vista DA CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2010-12-16   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.