San Juan, PR

ZIP code 00931 is located in San Juan, Puerto Rico. This area is known for landmarks such as the iconic Castillo San Felipe del Morro, a historic fortress overlooking the Atlantic Ocean, and the vibrant streets of Old San Juan with its colorful colonial buildings and cobblestone streets. Visitors can also find the picturesque Paseo de la Princesa promenade, lined with lush trees and offering stunning views of the bay.