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: RAY NDXADS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
701-377 A Bowbells ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-464 A Powers Lake ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-528 A Alamo ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-539 A Wildrose ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-546 A McGregor ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-568 A Ray ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-596 A Flaxton ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-664 A Tioga ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-694 A Grenora ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-826 A Marmon ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-859 A Epping ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-875 A Round Prairie ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-925 A Noonan ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-926 A Portal ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-933 A Lignite ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-939 A Columbus ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      
701-965 A Crosby ND 1625 NORTHWEST COMMUNICATIONS COOP. 638      

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

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