About ZIP code 15123
The ZIP code 15123 routes mail to West Mifflin in the Pennsylvania region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
15123 - West Mifflin
ZIP code 15123 is West Mifflin in Pennsylvania, United States.
| ZIP code | 15123 |
| Place | West Mifflin |
| Region | Pennsylvania |
| District | Allegheny |
| Country | United States (US) |
| Coordinates | 40.4344, -80.0248 (map) |