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: 680

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-680 A Campbell CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
408-680 0 Campbell CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2013-06-26   
408-680 1 Campbell CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2012-07-24   
408-680 2 Campbell CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-11-05   
408-680 3 Campbell CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-04-06   
408-680 4 Campbell CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-04-06   
408-680 5 Campbell CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-07-24   
408-680 6 Campbell CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2011-07-17   
408-680 7 Campbell CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2011-06-23   
408-680 8 Campbell CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-07   
408-680 9 Campbell CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2011-03-25   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.