Post Offices

Post Offices in & near Camp Ground, Illinois. Operating hours, locations, phone/fax number, services information.

Mount Vernon Post Office

Post Office in Mount Vernon, Illinois on S 10th St. Operating hours, phone number, services information, and other locations.

Address: 301 S 10th St, Mount Vernon, IL 62864
Phone: 618-242-0640
Fax: 651-994-3232
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 5:00pm
Tuesday 8:30am - 5:00pm
Wednesday 8:30am - 5:00pm
Thursday 8:30am - 5:00pm
Friday 8:30am - 5:00pm
Saturday 9:00am - 11:00am
Sunday Closed

Lobby Hours

Monday 3:30pm
Tuesday 3:30pm
Wednesday 3:30pm
Thursday 3:30pm
Friday 3:30pm
Saturday 11:00am
Sunday Closed

Last Collection Times

Monday 8:30am - 4:00pm
Tuesday 8:30am - 4:00pm
Wednesday 8:30am - 4:00pm
Thursday 8:30am - 4:00pm
Friday 8:30am - 4:00pm
Saturday Closed
Sunday Closed