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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OCN: 1625 NORTHWEST COMMUNICATIONS COOP.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
701-377 A Bowbells ND RAY NDXADS2  638      
701-464 A Powers Lake ND RAY NDXADS2  638      
701-528 A Alamo ND RAY NDXADS2  638      
701-539 A Wildrose ND RAY NDXADS2  638      
701-546 A McGregor ND RAY NDXADS2  638      
701-568 A Ray ND RAY NDXADS2  638      
701-596 A Flaxton ND RAY NDXADS2  638      
701-664 A Tioga ND RAY NDXADS2  638      
701-694 A Grenora ND RAY NDXADS2  638      
701-826 A Marmon ND RAY NDXADS2  638      
701-859 A Epping ND RAY NDXADS2  638      
701-875 A Round Prairie ND RAY NDXADS2  638      
701-925 A Noonan ND RAY NDXADS2  638      
701-926 A Portal ND RAY NDXADS2  638      
701-933 A Lignite ND RAY NDXADS2  638      
701-939 A Columbus ND RAY NDXADS2  638      
701-965 A Crosby ND RAY NDXADS2  638      

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

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