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: ROCHMNROXVX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-758 A St James MN 965H FRACTEL, LLC 620      
507-844 A St Charles MN 965H FRACTEL, LLC 620      
507-900 A Rochester MN 965H FRACTEL, LLC 620      
507-946 A Marshall MN 965H FRACTEL, LLC 620      
507-955 A Mapleton MN 965H FRACTEL, LLC 620      
507-966 A Mankato MN 965H FRACTEL, LLC 620      
641-900 A Mona IA 965H FRACTEL, LLC 620      

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

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