Iowa Department of Revenue - eFile and Pay efilepay.idr.iowa.gov Hoover State Office Building 1305 E. Walnut Des Moines, IA 50319 Phone: +15152818453 Fax: 515-242-6487 email: idrefile@iowa.

Iowa Department of Revenue - State Tax Forms state.ia.us Hoover State Office Building 1305 E. Walnut Des Moines, IA 50319 USA Phone: +15152813114 Fax: 515-242-6487 email: idr@iowa.gov I