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: 465

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-465 A Berrenda Mesa CA BRMSCAXFRL1  4420 FRONTIER CALIFORNIA INC. 734      
661-465 2 Berrenda Mesa CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-465 3 Berrenda Mesa CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-465 4 Berrenda Mesa CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-465 5 Berrenda Mesa CA BRMSCAXFRL1  4420 FRONTIER CALIFORNIA INC. 734      
661-465 6 Berrenda Mesa CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-465 7 Berrenda Mesa CA BKFDCA11XMD  508J CENTURYLINK COMMUNICATIONS, LLC 734      
661-465 8 Berrenda Mesa CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.