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: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 413

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-413 A Cuyama CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-413 0 Cuyama CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-413 1 Cuyama CA   515J IP HORIZON LLC 734   2006-09-28   
661-413 2 Cuyama CA   515J IP HORIZON LLC 734   2006-09-28   
661-413 3 Cuyama CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2010-08-28   
661-413 4 Cuyama CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-413 5 Cuyama CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2014-11-06   
661-413 6 Cuyama CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2015-09-24   
661-413 7 Cuyama CA BKFDCA11X5X  073H TELNYX LLC 734   2021-12-12   
661-413 8 Cuyama CA BKFDCAKTOMD  073H TELNYX LLC 734   2018-07-09   
661-413 9 Cuyama CA BKFDCAKTDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2016-03-06   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.