| | West Middletown borough | 4283504 | Washington County 42125 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=WestMiddletownborough+PA |
| | West Brownsville borough | 4282616 | Washington County 42125 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=WestBrownsvilleborough+PA |
| | Washington city | 4281328 | Washington County 42125 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Washingtoncity+PA |
| | Twilight borough | 4278008 | Washington County 42125 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Twilightborough+PA |
| | Stockdale borough | 4274224 | Washington County 42125 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Stockdaleborough+PA |
| | Speers borough | 4272736 | Washington County 42125 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Speersborough+PA |
| | Roscoe borough | 4266016 | Washington County 42125 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Roscoeborough+PA |
| | North Charleroi borough | 4254888 | Washington County 42125 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=NorthCharleroiborough+PA |
| | New Eagle borough | 4253496 | Washington County 42125 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=NewEagleborough+PA |
| | Monongahela city | 4250408 | Washington County 42125 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Monongahelacity+PA |