Call or Visit the Department

Call the Department

General Questions by phone

515-281-3114 or 800-367-3388

Monday-Friday: 8:00 a.m. - 4:30 p.m. CT

Payments, Billings, & Collections


Monday-Friday: 8:00 a.m. - 6:00 p.m. CT


Mailing Addresses


  • Hoover State Office Building - 1st Floor
    1305 E. Walnut
    Des Moines, IA 50319

    The Hoover Building is located near the intersection of East 14th Street (Highway 69) and Court Avenue, just south of I-235.

    Parking Information and Maps

    Google Map

    The Department is currently receiving walk-in visitors who need to drop-off or pick up materials. If you need additional tax assistance, please call to set up an appointment to ensure we have someone available to assist you. Specialists are available for same day appointments. 

  • Business Registration: 

    Collections, after appeal period expires: 

    Examination Section: 

    Payment Processing: 

    Taxpayer Services: