ZIP Code 02138 is completely within the 5th US Congressional District of Massachusetts and is currently represented by Democrat Katherine Clark.
ZIP Code 02138 is within two Massachusetts State House of Representatives districts: the Massachusetts State House of Representatives District 25th Middlesex currently represented by Democrat Marjorie Decker. the Massachusetts State House of Representatives District 29th Middlesex currently represented by . ZIP Code 02138 is within two Massachusetts State Senate districts: Massachusetts State Senate District Norfolk, Bristol and Middlesex currently represented by Democrat Becca Rausch and Massachusetts State Senate District Second Plymouth and Bristol currently represented by Democrat Michael Brady.