Calvary Cathedral, Sioux Falls, SD Website: http://www.calvarycathedral.net/ calvarycathedral@midconetwork.com Province #: VI Diocese: South Dakota Office Address: 500 South Main Avenue Sioux Falls, SD   57104-6814 The Very Rev. Charles Parthum III - Dean Primary Phone: (605) 336-3486 Fax: (605) 336-6243