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: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-688 A Bakersfield: Main DA CA BKFDCAKTX6X  965H FRACTEL, LLC 734      
661-688 0 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-688 1 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-688 2 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-688 3 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2020-09-10   
661-688 4 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2020-09-10   
661-688 5 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2020-09-10   
661-688 6 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-688 7 Bakersfield: Main DA CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2021-09-13   
661-688 8 Bakersfield: Main DA CA BKFDCAKTX6X  965H FRACTEL, LLC 734   2020-02-17   
661-688 9 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2021-11-25   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.