Williamson County, IL Area Codes

Time in Williamson County, Illinois
05:29:45 AM
Time in Williamson County, Illinois
  • State: Illinois
  • County: Williamson County
  • County Seat: Marion
  • FIPS: 17199
  • Founded in: 1839
  • Population: 67,056
  • Density: 159 Persons/Square Mile
  • Area: 420 Square Miles
  • Government Type: County
  • Authority: Dillon's Rule
  • Legislative Body: Board of Commissioners
  • Legislative Body Size: 3
  • County Contact: 200 W Jefferson St
    Marion, IL 62959-2415
  • County site: http://www.williamsoncountycourthouse.com/
  • Labor Force: 31,873
  • Unemployment Rate: 5.10%
  • Gross Domestic Product (GDP): $2.8 B

Area codes of Williamson County

618

Top Phone Prefixes of Williamson County

Williamson County Cities

Neighbor Counties