City and Public Services in Mount Vernon, IL
City and Public Services
US Internal Revenue Service
City and Public Services in Mount Vernon, IL
- Address
- 105 S 6th St, Mount Vernon, IL 62864
- Phone
- (618) 632-2567
- Website
- irs.gov
Last checked September 23, 2026. Call ahead to confirm hours.
Listing details from Overture Maps open data.