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.
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Switch: ROCHMNHH3MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-779 7 Mankato MN 792K CHARTER IP ENABLED SERVICES, LLC 620   2012-05-31   
507-799 A Eyota MN 792K CHARTER IP ENABLED SERVICES, LLC 620   2025-02-27   
507-799 0 Eyota MN 792K CHARTER IP ENABLED SERVICES, LLC 620      
507-961 A Winona MN 792K CHARTER IP ENABLED SERVICES, LLC 620   2025-02-27   
507-961 0 Winona MN 792K CHARTER IP ENABLED SERVICES, LLC 620   2006-05-22   
507-961 1 Winona MN 792K CHARTER IP ENABLED SERVICES, LLC 620   2012-05-31   
507-992 A Cottonwood MN 792K CHARTER IP ENABLED SERVICES, LLC 620   2025-02-27   
507-992 0 Cottonwood MN 792K CHARTER IP ENABLED SERVICES, LLC 620      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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