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: MACNGAGAX8X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
478-343 5 Marshallville GA 490J DISH WIRELESS, LLC 446   2023-12-12   
478-367 5 Macon GA 490J DISH WIRELESS, LLC 446   2023-07-14   
478-371 A Warner Robins GA 490J DISH WIRELESS, LLC 446      
478-371 9 Warner Robins GA 490J DISH WIRELESS, LLC 446   2023-06-22   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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