Iowa Department of Revenue

Enter eFile & Pay to File Your Iowa Business Taxes

I Need Assistance

Withholding Tax
Motor Fuel Tax
Consumer's Use Tax
LPG Fuel Tax
Sales and Retailer's Use Tax
Estimated and Final Payment of Individual and Corporation Income Taxes

Contact Information

Monday-Friday, 8 a.m. to 4:15 p.m. CT

eFile & Pay

1-866-503-3453 (Iowa only) or 515-281-8453 (outside Iowa) or e-mail.

Iowa Tax Law

1-800-367-3388 (Iowa, Omaha, Rock Island, Moline) or 515-281-3114 (outside Iowa) or e-mail.

E-Mail Policy

Our response to your request may include confidential tax information. To protect your privacy, you must authorize the Department to transmit this information by e-mail. Please reply to the three questions below. We will respond to your request only after your authorization is received.

Do you authorize the Iowa Department of Revenue to e-mail the confidential information you may request?
To what e-mail address do you want us to send confidential information?
Do you acknowledge that e-mail transmissions are not always secure?