Where do you mail Form 941 with payment if you live in Maine?

If you live in Maine and are mailing Form 941 with a payment, you should send it to the following address: Department of the Treasury, Internal Revenue Service, P.O. Box 37048, Hartford, CT 06176-0048. If you are using a private delivery service, you should send it to: Internal Revenue Service, 15 New Sudbury Street, Boston, MA 02203. Always check the latest IRS guidelines for any changes in mailing addresses.