Post offices serve all communities within a county, from city branch locations to rural contract postal units that serve smaller towns and unincorporated areas with essential mail services. There are 7 Post Office locations in Caldwell County, Missouri.

Residents of Caldwell County should be aware that rural post offices and contract postal units may have limited hours compared to full-service branches. USPS provides a free package pickup service for all residents, including those in rural areas, which can eliminate the need to travel to a post office for outgoing packages.

List of Caldwell County, Missouri Post Office

Hamilton Post Office

View Details Call Now (816) 583-2422

Hamilton Post Office

Address
Get Direction
Hours

Kidder Post Office

View Details Call Now (816) 575-2411

Kidder Post Office

Address
Get Direction
Hours

Kingston Post Office

View Details Call Now (816) 586-2071

Kingston Post Office

Address
Get Direction
Hours

Braymer Post Office

View Details Call Now (660) 645-2700

Braymer Post Office

Address
Get Direction
Hours

Cowgill Post Office

View Details Call Now (660) 255-4521

Cowgill Post Office

Address
Get Direction
Hours

Breckenridge Post Office

View Details Call Now (660) 644-5885

Breckenridge Post Office

Address
Get Direction
Hours

Polo Post Office

Address
Get Direction
Hours

Residents of Caldwell County can use the USPS online location finder to identify the nearest post office, rural branch, or contract postal unit and check their individual hours. Enrolling in USPS Informed Delivery is free and lets all county residents preview incoming mail and packages via email or the USPS app each morning before delivery.

You may also find Post Office locations in neighboring counties including Caldwell, Livingston, Daviess.