Us Army Department 2501 S Lewis Blvd Sioux City, IA 51106 Phone : (712) 276-7516 Business Category National Security United States Government--army-dept Of, Reserve Center, Area Maintenance Support Activity 2501 S Lewis Blvd Sioux City, IA 51106 Phone : (712) 276-7516 Business Category Government Offices-Federal Government Offices & Public Schools