United States Government Usda Service Center--federal Tax Forms Only, For Zip Code Information Hamilton, Kidder Kidder, MO 64649 Phone : (816) 575-2411 Business Category Government Offices-Federal Social Service & Welfare Organizations Information & Referral Services Government Offices & Public Schools Post Office - Kidder 315 E 3rd St Kidder, MO 64649 Phone : (816) 575-2411 Post Office - Kidder Business Category Post Offices Toll-Free           (800) ASK-USPS