List of US Post Office Stores in Brockton, MA Outlet Note Regular Brands US Post Office Massachusetts Brockton Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Brockton 1104 Main St (508) 559-1816 US Post Office outlet - Brockton 149 Crescent St (508) 559-1868 US Post Office outlet - Brockton 200 Oak St (508) 559-1813 US Post Office outlet - Brockton 120 Commercial St (508) 559-1871 People Also Viewed