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.

Switch: DVNPIADTXPX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-732 A Keokuk IA 965H FRACTEL, LLC 634      
319-946 A Mount Union IA 965H FRACTEL, LLC 634      
563-348 A Dubuque IA 965H FRACTEL, LLC 634      
563-465 A Farley IA 965H FRACTEL, LLC 634      
563-500 A Dubuque IA 965H FRACTEL, LLC 634      
563-758 A Worthington IA 965H FRACTEL, LLC 634      
563-766 A Colesburg IA 965H FRACTEL, LLC 634      
563-842 A Holy Cross IA 965H FRACTEL, LLC 634      
563-877 A Earlville IA 965H FRACTEL, LLC 634      
563-900 A Davenport IA 965H FRACTEL, LLC 634      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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