About Iowa Tax Law515-281-3114 or 1-800-367-3388 (Iowa, Omaha, Rock Island, Moline) About eFile & Pay515-281-3114 or 1-800-367-3388 (Iowa, Omaha, Rock Island, Moline) Check on Your Refund515-281-4966 or 1-800-572-3944 (Iowa only) ACH Credit1-800-338-4692 |
Order Iowa Forms515-281-7239 or 1-800-532-1531 (Iowa only) Billings & Collections515-281-6944 or 1-866-339-7912 |