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: 318 [Rate centres in NPA 318] [Dial plan for NPA 318]

NXX: 904

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-904 A Monroe LA   749E ONVOY, LLC - LA 486   2024-08-12   
318-904 0 Monroe LA   749E ONVOY, LLC - LA 486   2024-08-12   
318-904 1 Monroe LA   749E ONVOY, LLC - LA 486   2024-08-12   
318-904 2 Monroe LA   749E ONVOY, LLC - LA 486   2024-08-12   

Last updated: Sun, 18 Aug 2024 23:40:19 UTC

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