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.

Switch: SBNDIN01Y4X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
219-336 9 Michigan City IN 817C INTRADO COMMUNICATIONS, LLC 332   2016-09-03   
219-898 9 Michigan City IN 817C INTRADO COMMUNICATIONS, LLC 332   2014-04-19   
574-666 0 South Bend IN 817C INTRADO COMMUNICATIONS, LLC 332   2019-11-25   
574-666 1 South Bend IN 817C INTRADO COMMUNICATIONS, LLC 332   2019-11-25   
574-666 8 South Bend IN 817C INTRADO COMMUNICATIONS, LLC 332   2019-11-25   
574-990 A South Bend IN 817C INTRADO COMMUNICATIONS, LLC 332      
574-990 9 South Bend IN 817C INTRADO COMMUNICATIONS, LLC 332      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.