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: 574 [Rate centres in NPA 574] [Dial plan for NPA 574]

NXX: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-405 A Nappanee IN PLMOINXAX2X  097D ONVOY, LLC - IN 332   2024-08-15   
574-405 0 Nappanee IN PLMOINXAX2X  097D ONVOY, LLC - IN 332   2024-08-15   
574-405 8 Nappanee IN   097D ONVOY, LLC - IN 332   2025-11-28   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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