| | Philadelphia County | PA | 42101 | Philadelphia, PA 37964 | Philadelphia-Camden-Wilmington,
PA-NJ-DE-MD 37980 | Philadelphia-Reading-Camden,
PA-NJ-DE-MD 428 | Central | in metro of > 1m | nonspecialized | https://maps.google.com/?q=PhiladelphiaCounty+PA |
| | Pike County | PA | 42103 | | Hemlock Farms, PA 25770 | New York-Newark,
NY-NJ-CT-PA 408 | Central | not in metro; pop > 5k
< 20k; metro-adjacent | recreation | https://maps.google.com/?q=PikeCounty+PA |
| | Potter County | PA | 42105 | | | | | not in metro; pop <
5k; non-metro-adjacent | recreation | https://maps.google.com/?q=PotterCounty+PA |
| | Schuylkill County | PA | 42107 | | Pottsville, PA 39060 | | Central | not in metro; pop
>20k; metro-adjacent | nonspecialized | https://maps.google.com/?q=SchuylkillCounty+PA |
| | Snyder County | PA | 42109 | | Selinsgrove, PA 42780 | Bloomsburg-Berwick-Sunbury,
PA 146 | Central | not in metro; pop > 5K
< 20k;
non-metro-adjacent | nonspecialized | https://maps.google.com/?q=SnyderCounty+PA |
| | Somerset County | PA | 42111 | | Somerset, PA 43740 | Johnstown-Somerset, PA 306 | Central | not in metro; pop > 5k
< 20k; metro-adjacent | recreation | https://maps.google.com/?q=SomersetCounty+PA |
| | Sullivan County | PA | 42113 | | | | | not in metro; pop <
5k; metro-adjacent | recreation | https://maps.google.com/?q=SullivanCounty+PA |
| | Susquehanna County | PA | 42115 | | | | | not in metro; pop <
5k; metro-adjacent | mining-dependent | https://maps.google.com/?q=SusquehannaCounty+PA |
| | Tioga County | PA | 42117 | | | | | not in metro; pop <
5k; metro-adjacent | recreation | https://maps.google.com/?q=TiogaCounty+PA |
| | Union County | PA | 42119 | | Lewisburg, PA 30260 | Bloomsburg-Berwick-Sunbury,
PA 146 | Central | not in metro; pop > 5k
< 20k; metro-adjacent | federal/state
government-dependent | https://maps.google.com/?q=UnionCounty+PA |