| | | Delaware County | PA | 42045 | Philadelphia, PA 37964 | Philadelphia-Camden-Wilmington,
PA-NJ-DE-MD 37980 | Philadelphia-Reading-Camden,
PA-NJ-DE-MD 428 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=DelawareCounty+PA |
| | | Elk County | PA | 42047 | | St. Marys, PA 41260 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=ElkCounty+PA |
| | | Erie County | PA | 42049 | | Erie, PA 21500 | Erie-Meadville, PA 240 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ErieCounty+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 |
| | | Huntingdon County | PA | 42061 | | Huntingdon, PA 26500 | Altoona-Huntingdon, PA 107 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=HuntingdonCounty+PA |
| | | 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 |
| | | Lackawanna County | PA | 42069 | | Scranton--Wilkes-Barre,
PA 42540 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LackawannaCounty+PA |
| | | Lancaster County | PA | 42071 | | Lancaster, PA 29540 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LancasterCounty+PA |
| | | Lebanon County | PA | 42075 | | Lebanon, PA 30140 | Harrisburg-York-Lebanon,
PA 276 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LebanonCounty+PA |
| | | Lehigh County | PA | 42077 | | Allentown-Bethlehem-Easton,
PA-NJ 10900 | Allentown-Bethlehem-East
Stroudsburg, PA-NJ 106 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LehighCounty+PA |
