66 … The Zipcode for The College Of Charleston is . Lookup any area code or prefix (NPA/NXX) in our database using our FREE Area Code Finder Below: Area Code (NPA) Prefix (NXX) City: State Abbrev. The College of Charleston prohibits any form of discrimination against its students, faculty, staff and applicants in its programs or for admission to or employment with the university. County: Charleston. Find MoreCities in South Carolina that start with T, Post Office Suburb:CHARLESTON, SC, 29401-1411,