San Juan, PR

ZIP code 00910 is located in San Juan, Puerto Rico. This area is known for its historical landmarks such as the Castillo San Felipe del Morro, a 16th-century citadel perched on a rocky promontory, and La Fortaleza, the oldest executive mansion in continuous use in the Western Hemisphere. Additionally, the San Juan Gate, a 16th-century Spanish gate, is also a prominent landmark in the area.