| | Westmoreland County | PA | 42129 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WestmorelandCounty+PA |
| | Washington County | PA | 42125 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WashingtonCounty+PA |
| | Mercer County | PA | 42085 | | Hermitage, PA 25850 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=MercerCounty+PA |
| | Lawrence County | PA | 42073 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LawrenceCounty+Pennsylvania |
| | Jefferson County | OH | 39081 | | Weirton-Steubenville,
WV-OH 48260 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=JeffersonCounty+OH |
| | Indiana County | PA | 42063 | | Indiana, PA 26860 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=IndianaCounty+PA |
| | Hancock County | WV | 54029 | | Weirton-Steubenville,
WV-OH 48260 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=HancockCounty+WV |
| | Fayette County | PA | 42051 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=FayetteCounty+PA |
| | Butler County | PA | 42019 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ButlerCounty+PA |
| | Brooke County | WV | 54009 | | Weirton-Steubenville,
WV-OH 48260 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=BrookeCounty+WV |