ZIP Code 15421 – Chalk Hill, Pennsylvania
The 15421 ZIP Code belongs to Chalk Hill, Pennsylvania. The population in this 15421 ZIP code is 84. The latitude is 39.84527 and longitude is -79.59743 in 15421 Chalk Hill, Pennsylvania. The time zone for this 15421 ZIP code is America/New_York.
| City | Chalk Hill |
| Zip Code | 15421 |
| State | Pennsylvania |
| County | Fayette |
| Population | 84 |
| Latitude | 39.84527 |
| Longitude | -79.59743 |
| Time Zone | America/New_York |