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 5 Post Office locations in Marion County, South Carolina.

Residents of Marion 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 Marion County, South Carolina Post Office

Gresham Post Office

View Details Call Now (843) 362-2421

Gresham Post Office

Address
Get Direction
Hours

Rains Post Office

Address
Get Direction
Hours

Mullins Post Office

View Details Call Now (843) 464-9751

Mullins Post Office

Address
Get Direction
Hours

Centenary Post Office

View Details Call Now (843) 362-2868

Centenary Post Office

Address
Get Direction
Hours

Marion Post Office

View Details Call Now (843) 423-3522

Marion Post Office

Address
Get Direction
Hours

Residents of Marion 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 Horry, Marion, Florence.