State Data Center 1112 Grand Ave West Des Moines, IA 50265 Phone : (515) 281-4350 Business Category Administration Of General Economic Programs Iowa State Of--education Department, Division Of Library Services, Historical Bldg State Library, Data Center Des Moines, IA 50307 Phone : (515) 281-4350 Business Category Government Offices-State Libraries Government Offices State & Local Government Offices & Public Schools