There are 5 Post Offices in McCormick County, South Carolina, serving a population of 9,694 people in an area of 360 square miles. There is 1 Post Office per 1,938 people, and 1 Post Office per 71 square miles.
In South Carolina, McCormick County is ranked 2nd of 46 counties in Post Offices per capita, and 30th of 46 counties in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for McCormick County Post Offices.
US Post Office 106 Circle Drive Plum Branch, SC Mailing Service, Postal Services
United States Postal Service 11489 Sc Highway 28 Modoc, SC Mailing Service, Postal Services
United States Postal Service 102 Depot Street Mount Carmel, SC Mailing Service, Postal Services
United States Postal Service 9905 Sc Highway 28 Parksville, SC
United States Postal Service 102 Depot Street North Plum Branch, SC Mailing Service, Postal Services