Alltrust Credit Union membership is open to individuals who live, work, or attend school in Bristol, Barnstable, Dukes, Nantucket, Norfolk, and Plymouth counties in Massachusetts, as well as all cities and towns in Rhode Island.

Alltrust Credit Union membership is open to individuals who live, work, or attend school in Bristol, Barnstable, Dukes, Nantucket, Norfolk, and Plymouth counties in Massachusetts, as well as all cities and towns in Rhode Island.