Contact Us
Call the IUB by phone:
Toll-free for utility customer complaints or customer inquiries, 877-565-4450 Non-complaint related questions or comments, 515-281-5979
see Agency Phone List
Send a letter to the IUB by mail or in person:
350 Maple Street, Des Moines, Iowa 50319-0069
see Map to Office
By Fax:
515-281-5329
By Email:
Customer complaints or customer inquiries: iubcustomer@iub.state.ia.us Non-complaint related questions or comments: iub@iub.state.ia.us
Questions about the website: Contact the web master
Electronically:
Online complaint form