ZIP Code 20657 is completely within the 5th US Congressional District of Maryland and is currently represented by Democrat Steny Hoyer.
The State Legislative body in Maryland is the Maryland General Assembly. It is bicameral, consisting of the upper Maryland Senate and the lower Maryland House of Delegates. ZIP Code 20657 is within two Maryland State House of Delegates districts: the Maryland State House of Delegates District 27C currently represented by Republican Mark Fisher and the Maryland State House of Delegates District 29C currently represented by Republican Todd Morgan. ZIP Code 20657 is within two Maryland State Senate districts: Maryland State Senate District 27 currently represented by Democrat Michael A. Jackson and Maryland State Senate District 29 currently represented by Republican Jack Bailey.