List of US Post Office Stores in Grethel, KY Outlet Note Regular Brands US Post Office Kentucky Grethel Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Grethel 6789 Ky Route 979 (606) 587-2931 People Also Viewed