Christiansted, VI

ZIP code 00821 covers the island of St. John in the U.S. Virgin Islands and its main landmark is Virgin Islands National Park. This sprawling park encompasses pristine beaches, lush hiking trails, and historic ruins dating back to the island's colonial past. Visitors can also explore Trunk Bay, known for its crystal-clear waters and underwater snorkeling trail, as well as the charming town of Cruz Bay with its colorful shops and restaurants.