USPS - Postal Service in Barnhart - Locations & Hours
| Name | Address | Phone | |
|---|---|---|---|
| USPS - Post Office - Barnhart | 1635 Marriott Ln | 636-464-3606 | |
| USPS Mail Collection/Drop Box - 1635 Marriott Ln | 1635 Marriott Ln | ||
| USPS Mail Collection/Drop Box - 7028 Highway 61/67 | 7028 Highway 61/67 | ||