Summerville

ZIP Code(s): 29485, 29483, 29484; County(s): Dorchester, Berkeley, Charleston;

Ridgeville

ZIP Code(s): 29472; County(s): Dorchester;

North Charleston

ZIP Code(s): 29423, 29420, 29456, 29485, 29483, 29404, 29405, 29406, 29418, 29416, 29419; County(s): Charleston, Dorchester;

St. George

ZIP Code(s): 29477; County(s): Dorchester;

Harleyville

ZIP Code(s): 29448; County(s): Dorchester;

Secretary

ZIP Code(s): 21664; County(s): Dorchester;

Hurlock

ZIP Code(s): 21643; County(s): Dorchester;

Algonquin

ZIP Code(s): 21613; County(s): Dorchester;

Cambridge

ZIP Code(s): 21613; County(s): Dorchester;