Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Roscoe, SD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-276 A SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-276 5 SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2016-03-25   
605-276 6 SXFLSDPSCMD  516J TON80 COMMUNICATIONS, LLC 640   2022-03-28   
605-287 A HGHMSDXADS1  1680 VENTURE COMMUNICATIONS COOPERATIVE 640      

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

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