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.

Switch: BKFDCAKTXXX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
661-560 8 Wasco CA 490J DISH WIRELESS, LLC 734   2023-11-13   
661-612 A Bakersfield: Main DA CA 490J DISH WIRELESS, LLC 734      
661-612 9 Bakersfield: Main DA CA 490J DISH WIRELESS, LLC 734   2023-07-17   
661-629 4 Bakersfield: North DA CA 490J DISH WIRELESS, LLC 734   2024-06-14   
661-653 5 Delano CA 490J DISH WIRELESS, LLC 734   2023-12-05   
661-760 8 Buttonwillow CA 490J DISH WIRELESS, LLC 734   2023-11-13   
661-770 3 Taft CA 490J DISH WIRELESS, LLC 734   2023-11-13   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.