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: VNTRNDXA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-289 A South Ashley SD 1611 DICKEY RURAL TEL. COOP. 638      
605-379 A South Nelvik SD 1611 DICKEY RURAL TEL. COOP. 638      
605-687 A South Venturia SD 1611 DICKEY RURAL TEL. COOP. 638      
701-288 A Ashley ND 1611 DICKEY RURAL TEL. COOP. 638      
701-374 A Nelvik ND 1611 DICKEY RURAL TEL. COOP. 638      
701-684 A Venturia ND 1611 DICKEY RURAL TEL. COOP. 638      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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