Alaska, California, Colorado, Hawaii, Idaho, Kansas,
Michigan, Montana, Nebraska, Nevada, North Dakota,
Ohio, Oregon, South Dakota, Utah, Washington, Wyoming
recommended to use a tracking service so you know that the IRS gets it. items do get lost in the mails and with mailing the IRS does not acknowledge receipt. it could sit in a mailbag for a month or more before it gets processed.
Department of the Treasury
Internal Revenue Service
Ogden, UT 84201-0002
