Starting with your State PA Tax Return: https://revenue-pa.custhelp.com/app/answers/detail/a_id/337/~/what-is-the-mailing-address-for-filing...
What is the mailing address for filing an amended Personal Income Tax return?
Mail your amended return to one of the following addresses:
PA Department of Revenue
Payment Enclosed
1 Revenue Place
Harrisburg, PA 17129-0001
PA Department of Revenue
No Payment/No Refund
2 Revenue Place
Harrisburg, PA 17129-0002
PA Department of Revenue
Refund/Credit Requested
3 Revenue Place
Harrisburg, PA 17129-0003
Don't forget to include a statement explaining why you are amending your
return and any back-up information that supports the new information on
the tax return.
Where to mail your Federal, here is a direct link to the PA where to mail different forms:
https://www.irs.gov/uac/PENNSYLVANIA-Where-to-File-Addresses-for-Taxpayers-and-Tax-ProfessionalsHope this helps.
