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: BKFDCAKTOMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
661-221 4 Mojave CA 073H TELNYX LLC 734   2017-03-24   
661-235 7 Rosamond CA 073H TELNYX LLC 734   2018-07-06   
661-238 4 Tehachapi CA 073H TELNYX LLC 734   2017-03-24   
661-320 1 Lebec CA 073H TELNYX LLC 734   2018-07-06   
661-385 2 Edwards CA 073H TELNYX LLC 734   2018-07-06   
661-404 A Bakersfield: Main DA CA 073H TELNYX LLC 734      
661-404 1 Bakersfield: Main DA CA 073H TELNYX LLC 734   2017-02-05   
661-413 8 Cuyama CA 073H TELNYX LLC 734   2018-07-09   
661-416 3 Arvin CA 073H TELNYX LLC 734   2017-03-24   
661-527 8 Bakersfield: South DA CA 073H TELNYX LLC 734   2017-03-24   
661-543 3 McFarland CA 073H TELNYX LLC 734   2017-03-24   
661-553 7 Delano CA 073H TELNYX LLC 734   2017-03-24   
661-591 9 Glennville CA 073H TELNYX LLC 734   2018-07-10   
661-689 3 California Hot Springs CA 073H TELNYX LLC 734   2018-07-10   
661-695 1 Bakersfield: North DA CA 073H TELNYX LLC 734   2017-03-24   
661-762 9 McKittrick CA 073H TELNYX LLC 734   2018-07-10   
661-764 8 Buttonwillow CA 073H TELNYX LLC 734   2018-07-09   
661-768 9 Taft CA 073H TELNYX LLC 734   2018-07-06   
661-773 3 Walker Basin CA 073H TELNYX LLC 734   2018-07-09   
661-776 8 Shafter CA 073H TELNYX LLC 734   2017-03-24   
661-797 5 Lost Hills CA 073H TELNYX LLC 734   2018-07-06   
661-849 9 Earlimart CA 073H TELNYX LLC 734   2018-07-09   
661-884 0 Wasco CA 073H TELNYX LLC 734   2019-12-03   

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

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