American Civil Liberties Union of Missouri St. Louis Office 906 Olive St., Suite 1130, St. Louis, MO 63101. Phone: (314) 652-3114. Kansas City Office. 406 West 34 th Street, Suite 420, Kansas City, MO 64111. Phone: (816) 470-9933 Intake Complaint Unit (ICU) (314) 652-3111 or visit our Legal Assistance page.