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: AURRMNXADS1

Remotes:

Switch Switch name Switch type
EMBRMNXERS0  EMBARRASS  1RC 
HYLKMNXHRS0  HOYT LAKES  RSS 
PALOMNXPRS0  PALO  RSS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
218-229 A Aurora MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      
218-229 0 Aurora MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      
218-229 2 Aurora MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      
218-229 3 Aurora MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      
218-229 4 Aurora MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      
218-229 5 Aurora MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      
218-229 9 Aurora MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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