South Dakota State Of--highway Patrol, Port Of Entry-south Dakota I 90 & Mn Line Sioux Falls, SD 57103 Phone : (605) 757-6406 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools South Dakota State Of--highway Patrol-sd, Port Of Entry-south Dakota, Sioux Falls I 90 & Mn Line Valley Springs, SD 57068 Phone : (605) 757-6406 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools Sd Port Of Entry Ih 90 Valley Springs, SD 57068 Phone : (605) 757-6406 Business Category Port Authorities