Wyandanch zipcode
| City | Wyandanch |
| ZIP Code | 11798 |
| Type | Standard |
| State Code | NY |
| State | New York |
ZIP code of Wyandanch is 11798. This place is located in New York state in US. To send any postal service to Wyandanch, you must use 11798 zipcode.
The ZIP code 11798 is also used with 2 more city names of New York.
- Wheatley Heights, NY
- Wheatley Hts, NY