Post Offices

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

Barnhar Post Office

Post Office in Barnhart, Missouri on Marriott Ln. Operating hours, phone number, services information, and other locations.

Address: 1635 Marriott Ln, Barnhart, MO 63012
Phone: 636-464-3606
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 1:00pm, 2:00pm - 5:00pm
Tuesday 9:00am - 1:00pm, 2:00pm - 5:00pm
Wednesday 9:00am - 1:00pm, 2:00pm - 5:00pm
Thursday 9:00am - 1:00pm, 2:00pm - 5:00pm
Friday 9:00am - 1:00pm, 2:00pm - 5:00pm
Saturday 8:30am - 12:00pm
Sunday Closed

Lobby Hours

Monday 4:15pm
Tuesday 4:15pm
Wednesday 4:15pm
Thursday 4:15pm
Friday 4:15pm
Saturday 11:15am
Sunday Closed

Last Collection Times

Monday 9:00am - 1:00pm, 2:00pm - 2:30pm
Tuesday 9:00am - 1:00pm, 2:00pm - 2:30pm
Wednesday 9:00am - 1:00pm, 2:00pm - 2:30pm
Thursday 9:00am - 1:00pm, 2:00pm - 2:30pm
Friday 9:00am - 1:00pm, 2:00pm - 2:30pm
Saturday Closed
Sunday Closed