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: OSCLIN01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
574-651 A Osceola IN 9325 INDIANA BELL TEL CO INC 332      
574-674 A Osceola IN 9325 INDIANA BELL TEL CO INC 332      
574-675 A Osceola IN 9325 INDIANA BELL TEL CO INC 332      
574-679 A Osceola IN 9325 INDIANA BELL TEL CO INC 332      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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