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: SPFDILESXTX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
447-336 A Mount Pulaski IL 965H FRACTEL, LLC 374      
447-345 A Cantrall IL 965H FRACTEL, LLC 374      
447-348 A New Berlin IL 965H FRACTEL, LLC 374      
447-356 A Riverton IL 965H FRACTEL, LLC 374      
447-400 A Sherman IL 965H FRACTEL, LLC 374      
447-500 A Hammond IL 965H FRACTEL, LLC 374      
447-529 A Decatur IL 965H FRACTEL, LLC 374      
447-758 A Illiopolis IL 965H FRACTEL, LLC 374      
447-786 A Harristown IL 965H FRACTEL, LLC 374      
447-842 A Divernon IL 965H FRACTEL, LLC 374      
447-946 A Modesto IL 965H FRACTEL, LLC 374      

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

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