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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NPA: 409 [Rate centres in NPA 409] [Dial plan for NPA 409]

NXX: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-317 A China TX BUMUTXHM0MD  939H COMMIO, LLC 562      
409-317 0 China TX BUMUTXHM0MD  939H COMMIO, LLC 562   2023-10-21   
409-317 1 China TX BUMUTXHM0MD  939H COMMIO, LLC 562   2023-10-21   
409-317 2 China TX BUMUTXHM0MD  939H COMMIO, LLC 562   2023-10-21   
409-317 3 China TX BUMUTXHM0MD  939H COMMIO, LLC 562   2023-10-21   
409-317 4 China TX BUMUTXHM0MD  939H COMMIO, LLC 562   2023-10-21   
409-317 5 China TX BUMUTXHM0MD  939H COMMIO, LLC 562   2024-01-18   
409-317 6 China TX BUMUTXHM0MD  939H COMMIO, LLC 562   2024-01-18   
409-317 7 China TX BUMUTXHM0MD  939H COMMIO, LLC 562   2024-01-18   
409-317 8 China TX BUMUTXHM0MD  939H COMMIO, LLC 562   2024-01-18   
409-317 9 China TX BUMUTXHM0MD  939H COMMIO, LLC 562   2024-01-18   

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

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