Christiansted, VI

ZIP code 00821 covers the island of Saint Thomas, which is part of the United States Virgin Islands. This area is home to the Cyril E. King Airport, the primary airport serving the island and connecting it with the mainland United States. Other significant landmarks include Magens Bay, known for its stunning beach and crystal-clear waters, as well as the historic Fort Christian, a Danish-built fortress dating back to the 17th century.