Post Office - High Point 61241 Highway C High Point, MO 65042 Phone : (573) 796-4401 Business Category Post Offices Toll-Free           (800) ASK-USPS Post Office - California 200 N High St California, MO 65018 Phone : (573) 796-4401 Post Office - California Business Category Post Offices Toll-Free           (800) ASK-USPS