The below mailing information comes from the Indiana Department of Revenue website
**The Zip Code is determined by the P.O. Box. 46206 for P.O. Boxes 1 through 6599, 46207 for P.O. Boxes 7000 through 7999
Example: When mailing an IT-40, IT-40EZ or IT-40PNR return with a payment, the address is:
Indiana Department of Revenue
P.O. Box 7224
Indianapolis, IN 46207-7224
All other IT-40, IT-40EZ or IT-40PNR returns, with refunds due, should be mailed to:
Indiana Department of Revenue
P.O. Box 40
Indianapolis, IN 46206-0040
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