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: HZRNMNXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
320-383 A Hazel Run MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-383 0 Hazel Run MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-383 1 Hazel Run MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-383 2 Hazel Run MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-383 9 Hazel Run MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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