Charleston County Post Offices

5190 Highway 174
Adams Run, South Carolina 29426

1964 Ashley River Rd Ste B
Charleston, South Carolina 29407

6201 N Highway 17
Awendaw, South Carolina 29429

83 Broad St
Charleston, South Carolina 29401

7075 Cross County Rd
North Charleston, South Carolina 29418

557 E Bay St
Charleston, South Carolina 29403

539 Highway 174
Edisto Island, South Carolina 29438

107 E Indian Ave
Folly Beach, South Carolina 29439

6345 Highway 162
Hollywood, South Carolina 29449

1000 Palm Blvd
Isle of Palms, South Carolina 29451

579 Folly Rd
Charleston, South Carolina 29412

2860 Maybank Hwy
Johns Island, South Carolina 29455

3213 Ladson Rd
Ladson, South Carolina 29456

959 S Pinckney St
Mc Clellanville, South Carolina 29458

1050 Johnnie Dodds Blvd
Mount Pleasant, South Carolina 29464

6401 Rivers Ave
North Charleston, South Carolina 29406

2180 McMillan Ave
North Charleston, South Carolina 29405

6239 Savannah Hwy
Ravenel, South Carolina 29470

78 Sycamore Ave
Charleston, South Carolina 29407

2061 Middle St
Sullivans Island, South Carolina 29482

1917 Liberia Rd
Wadmalaw Island, South Carolina 29487

Charleston County

There are 21 US Post Offices in Charleston County serving a total of 341,090 residents equating to 16,242 residents per post office. It's estimated that approximately 544,418 packages are handled across the 21 county post offices annually. Charleston County is a county located in the U.S. state of South Carolina. As of the 2010 census, its population was 350,209, making it the third most populous county in South Carolina (behind Greenville and Richland Counties). Its county seat is Charleston. The county was created in 1901 by an act of the South Carolina State Legislature. Charleston County is included in the Charleston-North Charleston, SC Metropolitan Statistical Area."