The Washington–Baltimore combined metropolitan statistical area is a statistical area, including the overlapping metropolitan areas of Washington, D.C. and Baltimore. The region includes Central Maryland, Northern Virginia, three counties in the Eastern Panhandle of West Virginia, and one county in south-central Pennsylvania. It is the most …
The Washington–Baltimore combined metropolitan statistical area is a statistical area, including the overlapping metropolitan areas of Washington, D.C. and Baltimore. The region includes Central Maryland, Northern Virginia, three counties in the Eastern Panhandle of West Virginia, and one county in south-central Pennsylvania. It is the most educated, highest-income, and third-most populous combined statistical area in the United States behind New York City–Newark, NJ and Los Angeles–Long Beach.
Country: United States
State or area: Washington, D.C. · Maryland · Virginia · West Virginia · Pennsylvania
Principal cities: Washington, D.C. · In Maryland: · Baltimore · Annapolis · Bethesda · Bowie · Columbia · Easton · Frederick · Gaithersburg · Hagerstown · Lexington Park · Rockville · Silver Spring · Towson · In Pennsylvania: · Chambersburg · Waynesboro · In Virginia: · Arlington · Alexandria · Fairfax · Falls Church · Fredericksburg · Manassas · Manassas Park · Reston · Tysons · Winchester · In West Virginia: · Martinsburg
Area codes: 202/771, 301/240/227, 304/681, 410/443/667, 540/826, 703/571, 717/223