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.

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 1 Nappanee IN   6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 332   2025-04-15   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.