| | 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 |
| | Carbon County | PA | 42025 | | Allentown-Bethlehem-Easton,
PA-NJ 10900 | Allentown-Bethlehem-East
Stroudsburg, PA-NJ 106 | Outlying | in metro of > 250k
< 1m | recreation | https://maps.google.com/?q=CarbonCounty+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 |
| | Montour County | PA | 42093 | | Sunbury, PA 44980 | Bloomsburg-Berwick-Sunbury,
PA 146 | Outlying | not in metro; pop > 5k
< 20k; metro-adjacent | nonspecialized | https://maps.google.com/?q=MontourCounty+PA |
| | Perry County | PA | 42099 | | Harrisburg-Carlisle, PA 25420 | Harrisburg-York-Lebanon,
PA 276 | Outlying | in metro of > 250k
< 1m | nonspecialized | https://maps.google.com/?q=PerryCounty+PA |
| | Wyoming County | PA | 42131 | | Scranton--Wilkes-Barre,
PA 42540 | | Outlying | in metro of > 250k
< 1m | manufacturing-dependent | https://maps.google.com/?q=WyomingCounty+PA |