Call the Department
General Questions by phone
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
Monday-Friday: 8:00 a.m. - 4:30 p.m. CT
Monday-Friday: 8:00 a.m. - 6:00 p.m. CT
Hoover State Office Building - 4th Floor
1305 E. Walnut
Des Moines, IA 50319
(Maps)
The Hoover Building is located near the intersection of East 14th Street (Highway 69) and Court Avenue, just south of I-235.
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