San Juan, PR

ZIP code 00911 is located in San Juan, Puerto Rico. It encompasses the historic district of Old San Juan, a UNESCO World Heritage Site known for its colorful Spanish colonial buildings, cobblestone streets, and El Morro Fortress overlooking the ocean. Key landmarks in this area include the San Juan Gate, Cathedral of San Juan Bautista, and Castillo San Felipe del Morro, offering visitors a glimpse into the city's rich history.