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: WYNGMNXADS0

Remotes:

Switch Switch name Switch type
ALMLMNXARS5  ALMELUND  RLC 
LNSTMNXLRS2  LINDSTROM  RSC 
SCNDMNXSRS4  SCANDIA  1RC 
TYFLMNXTRS4  TAYLORS FALLS  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
651-408 A Twin Cities MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
651-408 0 Twin Cities MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
651-408 1 Twin Cities MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
651-408 6 Twin Cities MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
651-408 7 Twin Cities MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
651-408 8 Twin Cities MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
651-408 9 Twin Cities MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
651-462 A Twin Cities MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      

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

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