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: 689

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-689 A California Hot Springs CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-689 0 California Hot Springs CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-689 1 California Hot Springs CA   515J IP HORIZON LLC 734   2006-09-28   
661-689 2 California Hot Springs CA   515J IP HORIZON LLC 734   2006-09-28   
661-689 3 California Hot Springs CA BKFDCAKTOMD  073H TELNYX LLC 734   2018-07-10   
661-689 4 California Hot Springs CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734   2005-07-26   
661-689 5 California Hot Springs CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2017-04-04   
661-689 6 California Hot Springs CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-02-22   
661-689 7 California Hot Springs CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-02-22   
661-689 8 California Hot Springs CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2024-01-05   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.