Call or Visit the Department

Call the Department

General Questions by phone

515-281-3114 or 800-367-3388

Monday-Friday: 8 a.m. - 4:30 p.m. CT

Payments, Billings, & Collections

866-339-7912

Monday-Thursday: 8 a.m. - 7 p.m. CT
Friday: 8 a.m. - 5 p.m.

  • Hoover State Office Building - 4th Floor
    1305 E. Walnut
    Des Moines, IA 50319
    (Maps)

    The Department is currently closed to visitors in an effort to reduce the chance of community spread.

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

    Mailing Addresses

  • Business Registration: 
    515-281-3906

    Collections, after appeal period expires: 
    515-725-0264

    Examination Section: 
    515-281-3756

    Payment Processing: 
    515-281-5830

    Taxpayer Services: 
    515-242-6487