Post Offices List in Marlboro County, South Carolina:
| Bennettsville Post Office | 208 W Main St, Bennettsville, SC 29512 |
| Blenheim Post Office | 105 W High St, Blenheim, SC 29516 |
| Clio Post Office | 117 Red Bluff St, Clio, SC 29525 |
| MC Coll Post Office | 201 N Main St, Mc Coll, SC 29570 |
| Tatum Post Office | 104 N Stanton St, Tatum, SC 29594 |
| Wallace Post Office | 4130 Post Office Dr, Wallace, SC 29596 |