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: CGTNNDXADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
701-285 A Edmunds ND 1610 DAKOTA CENTRAL TELECOMMUNICATIONS COOP. 636      
701-486 A Medina ND 1610 DAKOTA CENTRAL TELECOMMUNICATIONS COOP. 636      
701-489 A Ypsilanti ND 1610 DAKOTA CENTRAL TELECOMMUNICATIONS COOP. 636      
701-674 A Grace City ND 1610 DAKOTA CENTRAL TELECOMMUNICATIONS COOP. 636      
701-752 A Woodworth ND 1610 DAKOTA CENTRAL TELECOMMUNICATIONS COOP. 636      
701-763 A Windsor ND 1610 DAKOTA CENTRAL TELECOMMUNICATIONS COOP. 636      
701-962 A Bowdon ND 1610 DAKOTA CENTRAL TELECOMMUNICATIONS COOP. 636      
701-984 A Sykeston ND 1610 DAKOTA CENTRAL TELECOMMUNICATIONS COOP. 636      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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