Post offices in the 11742 ZIP code of Holtsville, NY

The ZIP code 11742, situated in Holtsville, NY, includes 1 post office within the city of Holtsville. The listed operating hours indicate when retail services are available, providing a time when postal employees are available to assist customers. Often, the lobby areas remain open longer, granting access to PO boxes, package drop-off areas, and self-service Automated Postal Center (APC) machines for stamp purchases.The compilation is sorted first by city and then by the name of the post office, with Street View pictures of the post offices included whenever possible. Please contact us if you find an error, so that we can correct it.

Street View Image of Holtsville Post Office in Holtsville, NY

Holtsville Post Office is currently closed

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
162 Long Island Ave Holtsville, NY 11742-1828

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Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday 9:00 AM 1:00 PM
Sunday Closed
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