Municipalities go Results Found: 3 Leavenworth City of Leavenworth City of 100 N 5th St Leavenworth KS 66048 (913) 682-9201 Leavenworth County Leavenworth County 300 Walnut Leavenworth KS 66048 Lansing City of Lansing City of 800 First Terrace Lansing KS 66043 (913) 727-3233 Upcoming Events