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: 1659 GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
307-663 A West Edgemont WY HTSPSDXADS1  640      
308-453 A South Ardmore NE HTSPSDXADS1  640      
308-525 A South Oelrichs NE HTSPSDXADS1  640      
308-862 A Whiteclay NE PNRGSDXA3MD  640      
605-259 A White River SD WALLSDXADS0  640      
605-279 A Wall SD WALLSDXADS0  640      
605-344 A Belvidere SD WALLSDXADS0  640      
605-386 A Quinn SD WALLSDXADS0  640      
605-424 A Oral SD HTSPSDXADS1  640      
605-433 A Interior SD WALLSDXADS0  640      
605-452 A Wood SD WALLSDXADS0  640      
605-455 A Kyle SD WALLSDXADS0  640      
605-457 A Creighton SD WALLSDXADS0  640      
605-459 A Ardmore SD HTSPSDXADS1  640      
605-462 A Long Valley SD WALLSDXADS0  640      
605-535 A Oelrichs SD HTSPSDXADS1  640      
605-544 A Milesville SD WALLSDXADS0  640      
605-567 A Hayes SD WALLSDXADS0  640      
605-662 A Edgemont SD HTSPSDXADS1  640      
605-685 A Martin SD WALLSDXADS0  640      
605-739 A Faith Rural SD WALLSDXADS0  640      
605-745 A Hot Springs SD HTSPSDXADS1  640      
605-748 A Maurine SD WALLSDXADS0  640      
605-754 A New Underwood SD WALLSDXADS0  640      
605-798 A Wicksville SD WALLSDXADS0  640      
605-833 A Buffalo Gap SD HTSPSDXADS1  640      
605-843 A Midland SD WALLSDXADS0  640      
605-859 A Philip SD WALLSDXADS0  640      
605-867 A Pine Ridge SD PNRGSDXA3MD  640      
605-985 A Enning SD WALLSDXADS0  640      
605-993 A Wasta SD WALLSDXADS0  640      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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