U.S. Customs & Post Office Building
815 Olive Street, Suite 150
St. Louis, MO 63101
(314) 340-7490 (Voice)
(314) 340-7500 (FAX)
Springfield State Office Building
149 Park Central Sq., Room 624
Springfield, MO 65806
(417) 895-6330 (Voice)
(417) 895-6537 (FAX)
Kansas City State Office Building
615 E. 13th St., Fifth Floor Rm 513
Kansas City, MO 64106
(816) 889-2925 (Voice)
(816) 889-2879 (FAX)
James C. Kirkpatrick State Information Center
P.O. Box 778
Jefferson City, MO 65102
*For deliveries which require a physical address, such as express mailings, use:
600 W Main St.
Missouri State Information Center, Room 322
Jefferson City, MO 65101-0778
Toll free: 1-866-223-6535
In Person Contacts:
The main office of Business Services in Jefferson City is open from 8:00 a.m. to 5:00 p.m., Monday through Friday, except for all legal holidays. All documents may be submitted in person to the main office and numerous other documents may also be submitted to any of our three branch offices.
The branch offices of Business Services in St. Louis, Kansas City, and Springfield are open from 8:00 a.m. to 5:00 p.m., Monday through Friday, except for all legal holidays.
Documents that are in proper form may almost always be processed and filed while you wait. Documents submitted by mail will be processed and returned within a few days of receipt. To avoid delays caused by improperly prepared documents, please see Checklist of Filing Requirements.