ZIP Code 37643 is completely within the 1st US Congressional District of Tennessee and is currently represented by Republican Diana Harshbarger.
ZIP Code 37643 is within two Tennessee State House of Representatives districts: the Tennessee State House of Representatives District 3 currently represented by Republican Timothy Hill. the Tennessee State House of Representatives District 4 currently represented by . ZIP Code 37643 is within two Tennessee State Senate districts: Tennessee State Senate District 3 currently represented by Republican Rusty Crowe and Tennessee State Senate District 9 currently represented by Republican Steve Southerland.