Holtsville, NY

ZIP code 11742 is located in Holtsville, New York. This area is home to the Holtsville Ecology Site, a popular nature preserve and animal sanctuary that features walking trails and educational programs. Additionally, the Brookhaven Amphitheater is situated in this ZIP code, hosting concerts and events throughout the year. Residents and visitors can also enjoy the nearby Holtsville Pool for recreational activities and swimming.