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: 575

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-575 A Elkhart IN PRTGINXAPMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 332      
574-575 0 Elkhart IN PRTGINXAPMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 332   2002-10-18   
574-575 1 Elkhart IN EKHTINXAZMD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 332   2013-05-20   
574-575 2 Elkhart IN PRTGINXAPMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 332   2006-01-26   
574-575 3 Elkhart IN SBNDIN01XIX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 332   2011-07-21   
574-575 4 Elkhart IN SBNDIN053MD  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 332   2011-06-04   
574-575 5 Elkhart IN SBNDIN01XIX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 332   2011-04-10   
574-575 6 Elkhart IN EKHTINXAZMD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 332   2009-12-14   
574-575 7 Elkhart IN EKHTINXAZMD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 332   2010-09-03   
574-575 8 Elkhart IN SBNDIN01XIX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 332   2010-09-26   
574-575 9 Elkhart IN EKHTINXAZMD  5562 METROPCS, INC. 332   2010-10-05   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.