How to Contact the Massachusetts Division of Insurance The Boston office of the Division of Insurance is located at One South Station on the corner of Summer Street and Atlantic Avenue in Boston. From the North Take I-93 Southbound onto the Southeast Expressway to the South Station exit. At the end of the ramp, turn left onto Summer Street.
South Station is visible on the corner.
At the end of the ramp, turn right onto Kneeland Street. At the end of the street, turn left onto Atlantic Avenue. Follow the signs for South Station. There are entrances on both the Atlantic Avenue side and the Summer Street side. South Station is also accessible on the MBTA Red Line subway and the commuter rail.