WebPO Box 10412 Des Moines IA 50306-0412 Local Phone (Sales Tax Department): 1 Toll Free Phone (Sales Tax Department): 1 Email: 1 Department of Revenue Website For more information, you can visit the sales tax information portal on the Department of Revenues website online at http://www.iowa.gov/tax/ .
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WebIowa Income Tax - Document Processing P.O. Box 9187 Des Moines IA 50306-9187. Make checks payable to: Iowa Department of Revenue. Include IA 1040V payment voucher with payment. Electronic options are available for paying additional tax: Credit or Debit Card; Free ePay (direct debit) through eFile & Pay; Direct Debit payment with the income tax
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