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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-646 A Millwood IN MLWDINXBRP0  0772 FRONTIER NORTH, INC.. - IN 332      
574-646 1 Millwood IN MLWDINXBRP0  0772 FRONTIER NORTH, INC.. - IN 332      
574-646 2 Millwood IN MLWDINXBRP0  0772 FRONTIER NORTH, INC.. - IN 332      
574-646 3 Millwood IN MLWDINXBRP0  0772 FRONTIER NORTH, INC.. - IN 332      
574-646 4 Millwood IN SBNDIN13MMD  516J TON80 COMMUNICATIONS, LLC 332   2022-03-03   
574-646 9 Millwood IN MLWDINXBRP0  0772 FRONTIER NORTH, INC.. - IN 332      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.