162 Long Island Ave Holtsville, NY 11742
Phone: 631-475-1761
| Post Office Lobby Hours | |
|---|---|
| Monday | 9:00am - 5:00pm |
| Tuesday | 9:00am - 5:00pm |
| Wednesday | 9:00am - 5:00pm |
| Thursday | 9:00am - 5:00pm |
| Friday | 9:00am - 5:00pm |
| Saturday | 9:00am - 1:00pm |
| Sunday | Closed |
Mailboxes in Holtsville
Postage Stamps in Holtsville
Now you can print postage immediately using your home printer. Avoid trips to the Post Office. Print USPS postage online with Stamps.com. Get a 4 week trial if you Start Now.
Holtsville Post Office is a United States Postal Service (USPS) facility in Holtsville, NY. This post office offers a full array of services, including package delivery and first class mail.