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: MBRGSDXA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-823 A Mobridge SD 4414 WEST RIVER TELECOMMUNICATIONS COOP. - SD 640      
605-845 A Mobridge SD 1671 WEST RIVER TELECOMMUNICATIONS COOP (MOBRIDGE) - SD 640      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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