Syosset zipcode
| City | Syosset |
| ZIP Code | 11791 |
| Type | Standard |
| State Code | NY |
| State | New York |
ZIP code of Syosset is 11791. This place is located in New York state in US. To send any postal service to Syosset, you must use 11791 zipcode.
You should avoid following 3 city names of New York to be used with the ZIP code 11791.
- Laurel Hollow, NY
- Muttontown, NY
- Oyster Bay Cove, NY