List of Carl's Jr. Stores in Boston, MA Outlet Note Regular Brands Carl's Jr. Massachusetts Boston Rating 4.4 based on 73 votes Official Website http://www.carlsjr.com/ Products Beverages Salads Desserts Chicken Burgers Sides NameAddressPhone Name/Address/Phone Carl's Jr. outlet - Boston 1 Post Office Sq (617) 338-2402 Carl's Jr. outlet - Boston 300 Longwood Ave (617) 355-7796 Carl's Jr. outlet - Boston 326 Cambridge St, #410 (617) 495-1000 People Also Viewed