Wasco County Oregon Court in Circuit Court Municipal Courts Circuit Courts in Wasco County Wasco County Circuit CourtWasco County Courthouse511 Washington Street, PO Box 1400, The Dalles, OR 97058Phone: 541-506-2700 Municipal Courts in Wasco County The Dalles Municipal Court313 Court Street, The Dalles, OR 97058Phone: 541-296-5481 ext. 3