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: CNBYMNXCDS0

Remotes:

Switch Switch name Switch type
IVNHMNXIRS6  IVANHOE  1RE 
PTERMNXPRS2  PORTER  1RE 
STLEMNXSRS2  ST LEO  1RE 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-223 A Canby MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-223 0 Canby MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-223 1 Canby MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-223 2 Canby MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-223 5 Canby MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-223 7 Canby MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-223 8 Canby MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-223 9 Canby MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      

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

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