Please send all Child Support office correspondence to the following address:
Family Support Division
PO Box 6790
Jefferson City MO 65102-6790

Montgomery County Contact Information

211 East 3rd Street, Room G
Montgomery City, MO
ATTN: Anne Grosse

For paternity/establishment/modification issues, phone: (573) 564-3212

For support order/enforcement issues, phone: (866) 313-9960

Fax: (573) 564-3197