United States Government--post Offices, Excello, For Zip Code Information Excello, MO 65247 Phone : (660) 775-2254 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - Excello 38129 Kayak Ave Excello, MO 65247 Phone : (660) 775-2254 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Toll-Free           (800) ASK-USPS