ZIP Code 01604 is completely within the 2nd US Congressional District of Massachusetts and is currently represented by Democrat Jim McGovern.
ZIP Code 01604 is within two Massachusetts State House of Representatives districts: the Massachusetts State House of Representatives District 15th Worcester currently represented by Democrat Mary Keefe. the Massachusetts State House of Representatives District 16th Worcester currently represented by . ZIP Code 01604 is within two Massachusetts State Senate districts: Massachusetts State Senate District First Essex currently represented by Democrat Diana DiZoglio and Massachusetts State Senate District First Essex and Middlesex currently represented by Republican Bruce Tarr.