Holtsville, NY

ZIP code 11742 covers the area of Holtsville in Suffolk County, New York. This zip code is home to the Holtsville Ecology Site, a 18-acre nature preserve and animal sanctuary that features hiking trails, a greenhouse, and picnic areas. Additionally, the Brookhaven Amphitheater, a popular outdoor music venue, is also located in this area. With a mix of natural beauty and entertainment options, ZIP code 11742 offers something for everyone.