Post Offices

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

Mount Vernon Carrier Annex Post Office

Mount Vernon Carrier Annex Post Office in Mount Vernon, Illinois on Broadway St. Operating hours, phone number, services information, and other locations.

Address: 1301 Broadway St, Mount Vernon, IL 62864
Phone: 618-242-0700
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 6:00am - 4:30pm
Tuesday 6:00am - 4:30pm
Wednesday 6:00am - 4:30pm
Thursday 6:00am - 4:30pm
Friday 6:00am - 4:30pm
Saturday 6:00am - 11:00am
Sunday Closed

Lobby Hours

Monday 3:30pm
Tuesday 3:30pm
Wednesday 3:30pm
Thursday 3:30pm
Friday 3:30pm
Saturday 2:45am
Sunday Closed

Last Collection Times

Monday 9:30am - 11:00am, 12:00pm - 3:00pm
Tuesday 9:30am - 11:00am, 12:00pm - 3:00pm
Wednesday 9:30am - 11:00am, 12:00pm - 3:00pm
Thursday 9:30am - 11:00am, 12:00pm - 3:00pm
Friday 9:30am - 11:00am, 12:00pm - 3:00pm
Saturday Closed
Sunday Closed