| | Bruin borough | 4201909528 | PA | 4209528 | Incorporated Place | Pittsburgh, PA 38300 | Pittsburgh-New
Castle-Weirton, PA-OH-WV 430 | | |
| | Butler city | 4201910464 | PA | 4210464 | Incorporated Place | Pittsburgh, PA 38300 | Pittsburgh-New
Castle-Weirton, PA-OH-WV 430 | | |
| | Callery borough | 4201910800 | PA | 4210800 | Incorporated Place | Pittsburgh, PA 38300 | Pittsburgh-New
Castle-Weirton, PA-OH-WV 430 | | |
| | Cherry Valley borough | 4201913152 | PA | 4213152 | Incorporated Place | Pittsburgh, PA 38300 | Pittsburgh-New
Castle-Weirton, PA-OH-WV 430 | | |
| | Chicora borough | 4201913440 | PA | 4213440 | Incorporated Place | Pittsburgh, PA 38300 | Pittsburgh-New
Castle-Weirton, PA-OH-WV 430 | | |
| | Connoquenessing borough | 4201915808 | PA | 4215808 | Incorporated Place | Pittsburgh, PA 38300 | Pittsburgh-New
Castle-Weirton, PA-OH-WV 430 | | |
| | East Butler borough | 4201920904 | PA | 4220904 | Incorporated Place | Pittsburgh, PA 38300 | Pittsburgh-New
Castle-Weirton, PA-OH-WV 430 | | |
| | Eau Claire borough | 4201922128 | PA | 4222128 | Incorporated Place | Pittsburgh, PA 38300 | Pittsburgh-New
Castle-Weirton, PA-OH-WV 430 | | |
| | Evans City borough | 4201924248 | PA | 4224248 | Incorporated Place | Pittsburgh, PA 38300 | Pittsburgh-New
Castle-Weirton, PA-OH-WV 430 | | |
| | Fairview borough | 4201924832 | PA | 4224832 | Incorporated Place | Pittsburgh, PA 38300 | Pittsburgh-New
Castle-Weirton, PA-OH-WV 430 | | |