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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-677 A Bakersfield: North DA CA BKFDCAKTX6X  965H FRACTEL, LLC 734      
661-677 0 Bakersfield: North DA CA BKFDCAKTDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2020-04-09   
661-677 1 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-05-19   
661-677 2 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-05-19   
661-677 3 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-05-19   
661-677 4 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-03-31   
661-677 5 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-03-31   
661-677 6 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2020-11-14   
661-677 7 Bakersfield: North DA CA BKFDCAKTX6X  965H FRACTEL, LLC 734   2020-02-25   
661-677 8 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2020-11-14   
661-677 9 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2020-06-25   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.