Local Calling Guide

Area code/prefix search

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Colton, SD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-446 A DLRPSDXADS1  1677 SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION 640      
605-446 0 DLRPSDXADS1  1677 SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION 640      
605-446 1 DLRPSDXADS1  1677 SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION 640      
605-446 2 DLRPSDXADS1  1677 SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION 640      
605-446 3 DLRPSDXADS1  1677 SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION 640      
605-446 4 DLRPSDXADS1  1677 SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION 640      
605-446 5 DLRPSDXADS1  1677 SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION 640      
605-446 6 DLRPSDXADS1  1677 SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION 640      
605-446 7 DLRPSDXADS1  1677 SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION 640      
605-446 9 DLRPSDXADS1  1677 SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION 640      
605-671 A SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640      
605-671 7 SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640   2025-03-12   
605-671 8 SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640   2016-06-20   
605-671 9 SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640   2016-06-20   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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