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.

OCN: 1298 SOUTH SLOPE COOP. TEL. CO., INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
319-223 A Newhall IA NLBTIAXODS1  635      
319-227 A Norway IA NLBTIAXODS1  635      
319-622 A Amana IA NLBTIAXODS1  635      
319-625 A Iowa City IA NLBTIAXODS1  635      
319-626 A North Liberty IA NLBTIAXODS1  635      
319-632 A North Liberty IA NLBTIAXODS1  635      
319-665 A North Liberty IA NLBTIAXODS1  635      
319-841 A Ely IA NLBTIAXODS1  635      
319-845 A Fairfax IA NLBTIAXODS1  635      
319-846 A Fairfax IA NLBTIAXODS1  635      
319-848 A Ely IA NLBTIAXODS1  635      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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