The address depends on the specific type of document you are sending. Check out the table above to find the correct IRS mailing address for your needs. What is the IRS mailing address for 1040? How to update my mailing address with the IRS? What is the IRS mailing address for payments?
Apply proper postage and stamps, especially with extra forms/schedules. It costs 44 cents for the first ounce; 17 cents for each additional ounce. One ounce is about four pages. If you use a non-IRS labeled envelope, make sure you print the proper IRS address. Customers who wish certificat...