List of US Post Office Stores in Marshfield, MA Outlet Note Regular Brands US Post Office Massachusetts Marshfield Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Marshfield 647 Highland St (781) 837-6953 US Post Office outlet - Marshfield 165 Prospect St (781) 837-7584 US Post Office outlet - Marshfield 555 Ocean St (781) 837-7616 US Post Office outlet - Marshfield 111 Snow Rd (781) 837-3802 People Also Viewed