Post Offices

Post Offices in & near Prairie, Indiana. Operating hours, locations, phone/fax number, services information.

Mount Vernon Post Office

Post Office in Mount Vernon, Indiana on Walnut St. Operating hours, phone number, services information, and other locations.

Address: 308 Walnut St, Mount Vernon, IN 47620
Phone: 812-838-3141
Fax: 812-838-1847
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 4:30pm
Tuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 4:30pm
Saturday 9:00am - 12:00pm
Sunday Closed

Lobby Hours

Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 3:15pm
Sunday Closed

Last Collection Times

Monday 8:30am - 3:00pm
Tuesday 8:30am - 3:00pm
Wednesday 8:30am - 3:00pm
Thursday 8:30am - 3:00pm
Friday 8:30am - 3:00pm
Saturday Closed
Sunday Closed