U S Government--post Office, East Lynne East Lynne, MO 64743 Phone : (816) 869-3442 Business Category Post Offices Government Offices & Public Schools Post Office - East Lynne 409 Main St East Lynne, MO 64743 Phone : (816) 869-3442 Post Office - East Lynne Business Category Post Offices Toll-Free           (800) ASK-USPS