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.

Taft, CA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
661-769 8 MRCPCAXFRS1  4420 FRONTIER CALIFORNIA INC. 734      
661-769 9 MRCPCAXFRS1  4420 FRONTIER CALIFORNIA INC. 734      
661-770 A BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-770 0 BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-770 1 BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-02-13   
661-770 2 BKFDCAKTX1X  939H COMMIO, LLC 734   2022-07-22   
661-770 3 BKFDCAKTXXX  490J BOOST SUBSCRIBERCO L.L.C. 734   2023-11-13   
661-770 4   145J TERRA NOVA TELECOM INC. 734   2022-11-03   
661-770 5 BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-04-24   
661-770 6 BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2014-04-15   
661-770 7 BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2007-06-04   
661-770 8 BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2020-08-22   
661-770 9 BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2020-04-09   

<< 1 2

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.