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: RGBYNDAD0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
701-236 A Fessenden ND 3065 MIDCONTINENT COMMUNICATIONS - ND 638      
701-287 A Drake ND 3065 MIDCONTINENT COMMUNICATIONS - ND 638      
701-534 A Bottineau ND 3065 MIDCONTINENT COMMUNICATIONS - ND 638      
701-560 A Rolette ND 3065 MIDCONTINENT COMMUNICATIONS - ND 638      
701-576 A Dunseith ND 3065 MIDCONTINENT COMMUNICATIONS - ND 638      
701-635 A Harvey ND 3065 MIDCONTINENT COMMUNICATIONS - ND 638      
701-687 A Willow City ND 3065 MIDCONTINENT COMMUNICATIONS - ND 638      
701-767 A Bisbee ND 3065 MIDCONTINENT COMMUNICATIONS - ND 638      
701-881 A Rugby ND 3065 MIDCONTINENT COMMUNICATIONS - ND 638      
701-953 A Rolla ND 3065 MIDCONTINENT COMMUNICATIONS - ND 638      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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