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: IPLSIN01XOZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
463-231 A Indianapolis IN 817C INTRADO COMMUNICATIONS, LLC 336      
463-231 0 Indianapolis IN 817C INTRADO COMMUNICATIONS, LLC 336   2020-05-17   
463-231 1 Indianapolis IN 817C INTRADO COMMUNICATIONS, LLC 336   2020-05-17   
463-231 9 Indianapolis IN 817C INTRADO COMMUNICATIONS, LLC 336   2020-05-17   

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

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