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.
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Switch: ROLLNDBCRS4

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
701-228 A Bottineau ND 1678 TURTLE MOUNTAIN COMMUN., INC. 638      
701-243 A Souris ND 1678 TURTLE MOUNTAIN COMMUN., INC. 638      
701-244 A Dunseith ND 1678 TURTLE MOUNTAIN COMMUN., INC. 638      
701-246 A Rolette ND 1678 TURTLE MOUNTAIN COMMUN., INC. 638      
701-359 A Kramer ND 1678 TURTLE MOUNTAIN COMMUN., INC. 638      
701-366 A Willow City ND 1678 TURTLE MOUNTAIN COMMUN., INC. 638      
701-477 A Rolla ND 1678 TURTLE MOUNTAIN COMMUN., INC. 638      
701-656 A Bisbee ND 1678 TURTLE MOUNTAIN COMMUN., INC. 638      

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

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