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: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-366 A South Bend IN PRTGINXAJMD  495J STRATUS NETWORKS 332   2021-01-24   
574-366 1 South Bend IN PRTGINXAJMD  495J STRATUS NETWORKS 332   2021-01-24   
574-366 5 South Bend IN   7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 332   2021-03-22   
574-366 6 South Bend IN   7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 332   2021-03-22   
574-366 7 South Bend IN   7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 332   2021-03-22   
574-366 8 South Bend IN   7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 332   2021-03-22   
574-366 9 South Bend IN   7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 332   2021-03-22   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.