| | 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 |
| | 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 |
| | Centre County | PA | 42027 | | State College, PA 44300 | State College-DuBois, PA 524 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=CentreCounty+PA |
| | Clearfield County | PA | 42033 | | DuBois, PA 20180 | State College-DuBois, PA 524 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ClearfieldCounty+PA |
| | Franklin County | PA | 42055 | | Chambersburg, PA 16540 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=FranklinCounty+PA |
| | Clinton County | PA | 42035 | | Lock Haven, PA 30820 | Williamsport-Lock Haven,
PA 558 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=ClintonCounty+PA |
| | Lycoming County | PA | 42081 | | Williamsport, PA 48700 | Williamsport-Lock Haven,
PA 558 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LycomingCounty+PA |