11742 Zip Code Holtsville Suffolk
Today
Aug 10, 2026,
ZIP Code 11742 is located in Holtsville, New York, in County Suffolk. It serves as an essential reference for accurate mail delivery, this ZIP Code assists identify the accurate postal area for residential and business addresses.
11742 Zip Code – Suffolk, Holtsville, NY
The 11742 zip code serves Suffolk. It is a neighborhood in Holtsville, New York. This code is important for accurate mail delivery. It can also help you find local amenities such as schools, parks and community events. By using zip codes like 11742 you can explore different neighborhoods, it also shows what makes each area unique.
Demographics of Zip Code 11742
Located in Holtsville, New York, zip code 11742 has a specific population and density that reflect the local community.
Finding the Right Zip Code for Holtsville, Suffolk County
If you need to send mail to Holtsville Suffolk county, you can easily find the zip code online or by visiting your local post office.
FAQs
How many digits is the Suffolk zip code?
The Suffolk zip code in Holtsville is a five-digit number used to identify this specific area.
Does the Suffolk zip code ever change?
Zip codes may change due to postal service updates or administrative reasons. If you are looking for the Suffolk zip code always check for the most current information from official postal sources or local post offices.
Which county is zip code 11742 in?
Zip code 11742 covers areas within Suffolk county, New York.