List of US Post Office Stores in Greenwood, IN Outlet Note Regular Brands US Post Office Indiana Greenwood Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Greenwood 150 S Marlin Dr (800) 275-8777 US Post Office outlet - Greenwood 345 W Main St (317) 464-6051 US Post Office outlet - Greenwood 407 W Smith Valley Rd (317) 464-6043 People Also Viewed