What is the IRS form 1310 mailing address if you live in AZ?

If you live in Arizona and need to mail Form 1310, you should send it to the appropriate address based on whether you are expecting a refund or not. If you're expecting a refund, mail it to: Internal Revenue Service, P.O. Box 1303, Charlotte, NC 28201-1303. If you are not expecting a refund, send it to: Internal Revenue Service, P.O. Box 931100, Louisville, KY 40293-1100. Always check the latest IRS guidelines or instructions for any updates.