If you are getting a refund:
Mail your return to:Iowa Income Tax - Refund ProcessingHoover State Office BuildingDes Moines IANNN-NN-NNNN/p>
If you are submitting a payment:
Mail your return and payment and payment voucher to:Iowa Income Tax - Document ProcessingPO Box 9187Des Moines IANNN-NN-NNNN/p>
Hope this helps, If you need anything else please feel free to ask. If you found this helpful don't forget to click the *ACCEPT* button and please take a moment to leave me *POSITIVE* feedback.