List of US Post Office Stores in Andover, MA Outlet Note Regular Brands US Post Office Massachusetts Andover Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Andover 187 Andover St (978) 475-5042 US Post Office outlet - Andover 360 N Main St (978) 475-9140 US Post Office outlet - Andover 20 Main St (978) 470-2018 US Post Office outlet - Andover 10 Stevens St (978) 475-9436 People Also Viewed