| | Allegheny County | PA | 42003 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | in metro of > 1m | nonspecialized | https://maps.google.com/?q=AlleghenyCounty+PA |
| | Armstrong County | PA | 42005 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Outlying | in metro of > 1m | mining-dependent | https://maps.google.com/?q=ArmstrongCounty+PA |
| | Beaver County | PA | 42007 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | in metro of > 1m | nonspecialized | https://maps.google.com/?q=BeaverCounty+PA |
| | Butler County | PA | 42019 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | in metro of > 1m | nonspecialized | https://maps.google.com/?q=ButlerCounty+PA |
| | Fayette County | PA | 42051 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Outlying | in metro of > 1m | nonspecialized | https://maps.google.com/?q=FayetteCounty+PA |
| | Lawrence County | PA | 42073 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Outlying | in metro of > 1m | nonspecialized | https://maps.google.com/?q=LawrenceCounty+Pennsylvania |
| | Washington County | PA | 42125 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | in metro of > 1m | nonspecialized | https://maps.google.com/?q=WashingtonCounty+PA |
| | Westmoreland County | PA | 42129 | | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | in metro of > 1m | nonspecialized | https://maps.google.com/?q=WestmorelandCounty+PA |