If your principal place of business, office, or agency is located in... Address to mail Form to IRS
Connecticut, Delaware, District of Columbia, Georgia, Illinois, Indiana, Kentucky, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia, West Virginia, Wisconsin Department of the Treasury
Internal Revenue Service
Kansas City, MO 64999
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Florida, Hawaii, Idaho, Iowa, Kansas, Louisiana, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Tennessee, Texas, Utah, Washington, Wyoming

Department of the Treasury
Internal Revenue Service Center
Ogden, UT  84201

If no legal residence or principal place of business in any state, use the following address: Department of the Treasury
Internal Revenue Service Center
Ogden, UT 84201
If you are filing Form 941 for an exempt organization or government entity send your Form 2678 to the following address:

Department of the Treasury
Internal Revenue Service Center
Ogden, UT 84201-0046