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.
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Switch: BKFDCA11GMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
661-215 A Bakersfield: North DA CA 649C ONVOY, LLC - CA 734      
661-371 A Bakersfield: Main DA CA 649C ONVOY, LLC - CA 734      
661-374 A Bakersfield: Main DA CA 649C ONVOY, LLC - CA 734   2025-01-12   
661-378 A Bakersfield: Main DA CA 649C ONVOY, LLC - CA 734      
661-384 A Bakersfield: Main DA CA 649C ONVOY, LLC - CA 734      
661-426 A Bakersfield: Main DA CA 649C ONVOY, LLC - CA 734      
661-443 A Walker Basin CA 649C ONVOY, LLC - CA 734      
661-451 A Arvin CA 649C ONVOY, LLC - CA 734      
661-459 A Shafter CA 649C ONVOY, LLC - CA 734      
661-475 A Edwards CA 649C ONVOY, LLC - CA 734      
661-529 A Bakersfield: South DA CA 649C ONVOY, LLC - CA 734      
661-551 A Berrenda Mesa CA 649C ONVOY, LLC - CA 734      
661-558 A Bakersfield: Main DA CA 649C ONVOY, LLC - CA 734      
661-561 A Delano CA 649C ONVOY, LLC - CA 734      
661-647 A Bakersfield: South DA CA 649C ONVOY, LLC - CA 734   2024-08-26   
661-748 A Bakersfield: Main DA CA 649C ONVOY, LLC - CA 734      
661-751 A Bakersfield: South DA CA 649C ONVOY, LLC - CA 734      
661-760 A Buttonwillow CA 649C ONVOY, LLC - CA 734      
661-761 A McKittrick CA 649C ONVOY, LLC - CA 734      
661-843 A Bakersfield: Main DA CA 649C ONVOY, LLC - CA 734      
661-846 A Bakersfield: Main DA CA 649C ONVOY, LLC - CA 734      
661-884 A Wasco CA 649C ONVOY, LLC - CA 734      
661-885 A Bakersfield: South DA CA 649C ONVOY, LLC - CA 734      
661-928 A Bakersfield: South DA CA 649C ONVOY, LLC - CA 734   2024-05-05   
661-995 A Bakersfield: Main DA CA 649C ONVOY, LLC - CA 734   2024-06-09   
661-999 A Edwards CA 649C ONVOY, LLC - CA 734      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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