Irwin zipcode
| City | Irwin |
| ZIP Code | 15642 |
| Type | Standard |
| State Code | PA |
| State | Pennsylvania |
ZIP code of Irwin is 15642. This place is located in Pennsylvania state in US. To send any postal service to Irwin, you must use 15642 zipcode.
The ZIP code 15642 is also used with 4 more city names of Pennsylvania.
- N Huntingdon, PA
- No Huntingdon, PA
- North Huntingdon, PA
- North Irwin, PA