Private Delivery Services should not deliver returns to IRS offices other than those designated below. Private Delivery Services should deliver returns, extensions and payments to the following Submission Processing Center street addresses only: Austin - Internal Revenue Submission Processing Center 3651 S IH35, Austin TX 78741 Fresno - Internal Revenue Submission Processing Center 5045 East Butler Avenue, Fresno, CA 93727 Kansas City - Internal Revenue Submission Processing Center 333 W. Pershing, Kansas City, MO 64108 Ogden - Internal Revenue Submission Processing Center 1973 Rulon White Blvd. Ogden, UT 84201 Send your returns to the submission processing center designated for your type of return: Where to File Tax Returns - Addresses Listed by Return Type.