| | Kent County | DE | 10001 | | Dover, DE 20100 | Philadelphia-Reading-Camden,
PA-NJ-DE-MD 428 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=KentCounty+DE |
| | New Castle County | DE | 10003 | Wilmington, DE-MD-NJ 48864 | 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=NewCastleCounty+DE |
| | Cecil County | MD | 24015 | Wilmington, DE-MD-NJ 48864 | 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=CecilCounty+MD |
| | Burlington County | NJ | 34005 | Camden, NJ 15804 | 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=BurlingtonCounty+NJ |
| | Camden County | NJ | 34007 | Camden, NJ 15804 | 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=CamdenCounty+NJ |
| | Cumberland County | NJ | 34011 | | Vineland, NJ 47220 | Philadelphia-Reading-Camden,
PA-NJ-DE-MD 428 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=CumberlandCounty+NJ |
| | Gloucester County | NJ | 34015 | Camden, NJ 15804 | 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=GloucesterCounty+NJ |
| | Salem County | NJ | 34033 | Wilmington, DE-MD-NJ 48864 | 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=SalemCounty+NJ |
| | Berks County | PA | 42011 | | Reading, PA 39740 | Philadelphia-Reading-Camden,
PA-NJ-DE-MD 428 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=BerksCounty+PA |
| | Bucks County | PA | 42017 | Montgomery County-Bucks
County-Chester County, PA 33874 | 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=BucksCounty+PA |