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: 414

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-414 A South Bend IN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 332   2025-11-06   
574-414 9 South Bend IN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 332   2025-11-06   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.