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: 836

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-836 A San Diego: Linda Vista DA CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-836 0 San Diego: Linda Vista DA CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-836 1 San Diego: Linda Vista DA CA SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2008-09-23   
858-836 2 San Diego: Linda Vista DA CA SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2008-11-10   
858-836 3 San Diego: Linda Vista DA CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-836 4 San Diego: Linda Vista DA CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-836 5 San Diego: Linda Vista DA CA SNDGCA02DS3  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2008-09-15   
858-836 6 San Diego: Linda Vista DA CA SNDGCA02DS3  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2008-09-15   
858-836 7 San Diego: Linda Vista DA CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2010-06-30   
858-836 8 San Diego: Linda Vista DA CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2008-06-30   
858-836 9 San Diego: Linda Vista DA CA SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732   2010-06-28   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.