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: 285

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-285 A San Diego: Linda Vista DA CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-285 0 San Diego: Linda Vista DA CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2017-04-25   
858-285 1 San Diego: Linda Vista DA CA SNDGCA0255Z  073H TELNYX LLC 732   2017-04-25   
858-285 2 San Diego: Linda Vista DA CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2017-04-24   
858-285 3 San Diego: Linda Vista DA CA SNDGCA02XOZ  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2017-05-22   
858-285 4 San Diego: Linda Vista DA CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2017-07-23   
858-285 5 San Diego: Linda Vista DA CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2017-07-28   
858-285 6 San Diego: Linda Vista DA CA SNDGCA02XOZ  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2017-05-04   
858-285 7 San Diego: Linda Vista DA CA SNDGCA02XOZ  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2017-09-05   
858-285 8 San Diego: Linda Vista DA CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2018-03-19   
858-285 9 San Diego: Linda Vista DA CA SNDGCADV1MD  5562 METROPCS, INC. 732   2017-07-22   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.