| Area Code 878 Details | |
|---|---|
| Country | United States |
| State/Province | Pennsylvania |
| Major City | Pittsburgh |
| Time Zone | Eastern |
| Prefix | County | Phone Type | Status |
|---|---|---|---|
| 878-201 | Beaver | Landline | Active |
| 878-202 | Mercer | Landline | Active |
| 878-222 | Lawrence | Landline | Active |
| 878-258 | Armstrong | Landline | Active |
| 878-295 | Westmoreland | Cell Number | Active |
| 878-302 | Allegheny | Landline | Active |
| 878-332 | Allegheny | Landline | Active |
| 878-422 | Armstrong | Landline | Active |
| 878-444 | Indiana | Landline | Active |
| 878-555 | Used in movie | Cell Number | Active |
| 878-777 | Westmoreland | Landline | Active |
| 878-888 | Indiana | Landline | Active |
| 1 | ›› |