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: LYNDMNXLRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-865 A Lynd MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-865 0 Lynd MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-865 1 Lynd MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-865 2 Lynd MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-865 3 Lynd MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-865 4 Lynd MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-865 8 Lynd MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-865 9 Lynd MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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