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.
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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: Thu, 16 Oct 2025 03:04:18 UTC

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