City
Irwin, PA ZIP codes
1 ZIP, including 15642 as primary city.
Map of Irwin
ZIP code map
ZIP share of this city
Population share
- 156428.4%
Primary city
ZIP codes in Irwin
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 15642 | Irwin | Westmoreland County | 46,727 | $92,975 |