Washington Knolls is a neighborhood located in Springfield Illinois. Washington Knolls is covered by 1 ZIP Codes: and 62704.
City | Springfield |
County | Sangamon County |
Washington Knolls ZIP Codes | |
Region | Champaign and Springfield Decatur Area |
Area Code | 217 |
US Congressional Districts in Washington Knolls | |
Illinois State Senate Districts in Washington Knolls | |
Illinois State House of Representatives Districts in Washington Knolls |