DPO, AE

ZIP code 09707 encompasses the vibrant city of San Juan, Puerto Rico. This area is home to notable landmarks such as the Castillo San Felipe del Morro, a historic fortress dating back to the 16th century, and the Cathedral of San Juan Bautista, one of the oldest buildings in the city. The zip code also covers parts of the bustling Old San Juan district, known for its colorful colonial buildings and charming cobblestone streets.