Johns Island zip code

Zip code in Johns Island, SC

The location Johns Island belongs to Charleston County, state of South Carolina. Johns Island has 2 zip codes which you can see in the following table.

Johns Island is the official name of the location so if you want to use the US Postal Service you must use that name. You can also use any of the following names: Kiawah Island, Seabrook Isl, Seabrook Island.

Zip code Type Population
29455 STANDARD 23,600
29457 PO BOX 1,005