| General Information about Area Code 878 | |
|---|---|
| Country | United States |
| State / Province / Territory | Pennsylvania |
| Major City | Pittsburgh |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 878-668 | Enon Valley | Lawrence | Landline |
| 878-313 | Rochester | Beaver | Wireless |