RTN Credit Union Dorchester, MA

RTN branch lobbies are currently closed with limited access by appointment only. For more information, please read our COVID-19 information page.


RTN Credit Union Dorchester, MA - Hours & Locations
1205 Adams Street
Dorchester, MA 02124
Phone: 857-598-9500
Fax: 617-698-1032

Branch access by appointment only; drive-thru
window available during business hours


Mon. – Fri. 8:30 a.m.– 4:00 p.m.
 Sat.* 9:00 am – 1:00 pm
 From March 28 to April 25


Visit the RTN Credit Union Dorchester branch and find out how we can help you! Located across the street from the historic Baker Chocolate factory (now apartments) in Dorchester Lower Mills, the RTN Dorchester branch offers parking and is accessible by public transportation (MBTA subway, Red Line, Ashmont train, Ashmont stop—go to mbta.com for information). Members can use our two 24-hour ATMs, one in the lobby and one drive-thru, any time of day or night.


  • 24-hour ATM access (lobby and drive-thru).
  • Notary Public and Securities Transfer Agent Medallion Program (STAMP) services available. Call ahead to make an appointment.
  • Coin-counting machine (no fee for members; 7.00% for non-RTN members).

Community Connections

Community involvement is a core value of RTN as a credit union. RTN supports local community projects and initiatives where RTN branches are located, and works collaboratively with members, sponsor groups, and surrounding communities through financial support and volunteer participation. The RTN Credit Union Dorchester branch is proud to support:

  • Casa Myrna
  • Dorchester Historical Society
  • Dorchester Lower Mills Board of Trade
  • Dorchester Park Association
  • Elizabeth Seton Academy
  • Greater Boston Sickle Cell Association
  • Massachusetts Affordable Housing Alliance
  • National Night Out Against Crime
  • Taste of Dorchester
  • Taste of Jamaica Plain: Franklin Park Zoo

What’s New at the RTN Credit Union Dorchester Branch

Free Financial Education Seminars

We are committed to helping our members become financially fit by offering financial education seminars. All seminars are free and open to the public. For more information, visit our financial education page, email FinancialEducation@rtn.org or call 781-736-9900, extension 19945.