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.


NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
319-332 A Independence IA INDPIA03DS0  635      
319-332 0 Independence IA INDPIA03DS0  635   2006-05-03   
319-332 1 Independence IA INDPIA03DS0  635   2009-08-07   
319-938 3 Rowley IA INDPIA03DS0  635   2011-12-30   

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

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