Mailbox Map › United States › Holtsville › Holtsville Post Office
Post office · USPS
Holtsville Post Office, Holtsville
Holtsville Post Office at 162 Long Island Avenue, Holtsville, NY 11742.
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| Address | 162 Long Island Avenue, Holtsville, NY 11742 |
|---|---|
| Area | Holtsville, New York |
| Coordinates | 40.81425, -73.04250 |
| Time zone | America/New_York |
Nearby
- Farmingville Post Office 1.4 mi
Mapped by the OpenStreetMap community, last checked 2026-06-01. Spotted a box that's gone? Fix it on OpenStreetMap and this page follows within a month.