About Iowa Tax Law: 515-281-3114 or
1-800-367-3388

About eFile & Pay: 515-281-8453 or
1-866-503-3453 (Iowa only)

Check on Your Refund:515-281-4966 or 1-800-572-3944 (Iowa only)

Fax Us: 515-242-6487

Order Iowa Forms:
515-281-7239 or 1-800-532-1531 (Iowa only)

Receive Iowa Forms by Fax:
1-800-572-3943 -- Get the TaxFax index (pdf) to find the 7-digit number for the file you want.

Billings & Collections:
515-281-6944 or
1-866-339-7912