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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OCN: 9758 OSAGE MUNICIPAL COMMUNICATIONS UTILITY - IA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
641-832 A Osage IA OSAGIAAERL0  632      
641-832 2 Osage IA OSAGIAAERL0  632   2002-06-29   
641-832 3 Osage IA OSAGIAAERL0  632   2002-06-29   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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