U S Government--post Office Chewalla-guys Rd Guys, TN 38339 Phone : (731) 239-3749 Business Category Post Offices Government Offices & Public Schools Post Office - Guys 1845 Guys Chewalla Rd Guys, TN 38339 Phone : (731) 239-3749 Business Category Post Offices Toll-Free           (800) ASK-USPS