Smithtown zipcode
| City | Smithtown |
| ZIP Code | 11787 |
| Type | Standard |
| State Code | NY |
| State | New York |
ZIP code of Smithtown is 11787. This place is located in New York state in US. To send any postal service to Smithtown, you must use 11787 zipcode.
You should avoid following 1 city name of New York to be used with the ZIP code 11787.
- Village Of The Branch, NY