Counties in Maryland

Counties in the State of Maryland Here is the list of counties in Maryland. Click on each county link to get a complete list of Cities and Towns in it. each city will have a detailed page with the area codes and zip codes. Allegany County, MD Anne Arundel County, MD Baltimore County, MD Baltimore City County, MD Calvert County, MD Caroline County, MD Carroll County, MD Cecil County, MD Charles County, MD Dorchester County, MD Frederick County, MD Garrett County, MD Harford County, MD Howard County, MD Kent County, MD Montgomery County, MD Prince Georges County, MD Queen Annes County, MD Saint Marys County, MD Somerset County, MD Talbot County, MD Washington County, MD Wicomico County, MD Worcester County, MD ;