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: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 601

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-601 A San Jose: North DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-601 0 San Jose: North DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-03-16   
408-601 1 San Jose: North DA CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2012-04-12   
408-601 2 San Jose: North DA CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722   2012-03-30   
408-601 3 San Jose: North DA CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2012-04-12   
408-601 4 San Jose: North DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-03-19   
408-601 5 San Jose: North DA CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2012-04-12   
408-601 6 San Jose: North DA CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2012-04-12   
408-601 7 San Jose: North DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-03-25   
408-601 8 San Jose: North DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-03-25   
408-601 9 San Jose: North DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-03-25   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.