Hauppauge zipcode
| City | Hauppauge |
| ZIP Code | 11788 |
| Type | Standard |
| State Code | NY |
| State | New York |
ZIP code of Hauppauge is 11788. This place is located in New York state in US. To send any postal service to Hauppauge, you must use 11788 zipcode.
The ZIP code 11788 is also used with 1 more city name of New York.
- Smithtown, NY