| | | Allegany County | MD | 24001 | | Cumberland, MD-WV 19060 | | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=AlleganyCounty+MD |
| | | Caroline County | MD | 24011 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CarolineCounty+MD |
| | | Garrett County | MD | 24023 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=GarrettCounty+MD |
| | | Kent County | MD | 24029 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=KentCounty+MD |
| | | 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 |
| | | Somerset County | MD | 24039 | | Salisbury, MD 41540 | Salisbury-Ocean Pines, MD 480 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=SomersetCounty+MD |
| | | Wicomico County | MD | 24045 | | Salisbury, MD 41540 | Salisbury-Ocean Pines, MD 480 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WicomicoCounty+MD |
| | | Worcester County | MD | 24047 | | Ocean Pines, MD 36180 | Salisbury-Ocean Pines, MD 480 | Central | metro county (urban) | recreation | https://maps.google.com/?q=WorcesterCounty+MD |
| | | Anne Arundel County | MD | 24003 | | Baltimore-Columbia-Towson,
MD 12580 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=AnneArundelCounty+MD |
| | | Baltimore County | MD | 24005 | | Baltimore-Columbia-Towson,
MD 12580 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=BaltimoreCounty+MD |
