U S Government--post Office 503 5th Ave Calvert City, KY 42029 Phone : (270) 395-4800 Business Category Post Offices Government Offices & Public Schools Post Office - Calvert City 134 E 5th Ave Calvert City, KY 42029 Phone : (270) 395-4800 Business Category Post Offices Government Offices & Public Schools Toll-Free           (800) ASK-USPS Fax           (270) 395-8193