There are 5 United States Postal Service post boxes available to the public in Barnhart, MO. You can use any one of these locations to mail your letter or small package. For additional collection boxes in neighboring communities, see the list of post boxes in Missouri.

Are you looking for a post office? See the list of post offices in Barnhart, MO.

Public Collection Box
1635 Marriott Ln
Directions
Public Collection Box
7028 Highway 61 67
Directions
Walgreens
1718 Catlin Dr
Directions
Mailbox in Post Office Lobby
1 Liguori Dr
Directions
Public Collection Box
6035 S Outer Rd
Directions