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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
442-201 A Lee Vining CA 649C ONVOY, LLC - CA 730   2024-01-23   
442-203 A Bridgeport CA 649C ONVOY, LLC - CA 730   2024-01-23   
442-301 A June Lake CA 649C ONVOY, LLC - CA 730   2024-01-23   
442-313 A Havasu Lake CA 649C ONVOY, LLC - CA 730   2024-01-23   
442-318 A Lee Vining CA 649C ONVOY, LLC - CA 730   2024-01-23   
442-410 A Kernville CA 649C ONVOY, LLC - CA 730   2024-01-23   
442-419 A Victorville: Victorville DA CA 649C ONVOY, LLC - CA 730      
442-428 A Victorville: Hesperia DA CA 649C ONVOY, LLC - CA 730      
442-440 A Lenwood CA 649C ONVOY, LLC - CA 730   2024-01-23   
442-441 A Barstow: Yermo DA CA 649C ONVOY, LLC - CA 730   2024-01-23   
442-453 A Victorville: Hesperia DA CA 649C ONVOY, LLC - CA 730   2024-05-05   
442-455 A Barstow: Barstow DA CA 649C ONVOY, LLC - CA 730      
442-457 A Victorville: Adelanto DA CA 649C ONVOY, LLC - CA 730   2024-05-12   
442-600 A Victorville: Hesperia DA CA 649C ONVOY, LLC - CA 730   2024-01-23   
442-642 A Newberry CA 649C ONVOY, LLC - CA 730      
442-742 A Summit Valley CA 649C ONVOY, LLC - CA 730      
442-800 A Victorville: Hesperia DA CA 649C ONVOY, LLC - CA 730   2024-01-23   
760-280 A Newberry CA 649C ONVOY, LLC - CA 730   2024-01-23   
760-281 A Wrightwood: Wrightwood DA CA 649C ONVOY, LLC - CA 730   2024-01-23   
760-491 A Boron CA 649C ONVOY, LLC - CA 730   2024-01-23   
760-582 A Bishop CA 649C ONVOY, LLC - CA 730   2024-01-23   
760-588 A Fort Irwin CA 649C ONVOY, LLC - CA 730   2024-01-23   
760-606 A Barstow: Barstow DA CA 649C ONVOY, LLC - CA 730      
760-640 A Blythe CA 649C ONVOY, LLC - CA 730   2024-01-23   
760-874 A Bishop CA 649C ONVOY, LLC - CA 730      
760-875 A Lone Pine CA 649C ONVOY, LLC - CA 730   2024-01-23   
760-882 A Randsburg CA 649C ONVOY, LLC - CA 730   2024-01-23   
760-923 A Mammoth Lakes CA 649C ONVOY, LLC - CA 730   2024-01-23   
760-965 A Mammoth Lakes CA 649C ONVOY, LLC - CA 730   2024-01-23   
909-318 A Big Bear Lake CA 649C ONVOY, LLC - CA 730   2024-01-23   
909-403 A Running Springs CA 649C ONVOY, LLC - CA 730   2024-01-23   
909-415 A Big Bear Lake CA 649C ONVOY, LLC - CA 730   2024-01-23   
909-707 A Big Bear City CA 649C ONVOY, LLC - CA 730      
909-853 A Running Springs CA 649C ONVOY, LLC - CA 730      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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