| | Alexandria city | VA | 51510 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | in metro of > 1m | federal/state
government-dependent | https://maps.google.com/?q=Alexandriacity+VA |
| | Arlington County | VA | 51013 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | in metro of > 1m | federal/state
government-dependent | https://maps.google.com/?q=ArlingtonCounty+VA |
| | Charles County | MD | 24017 | Washington, DC-MD 47764 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Outlying | in metro of > 1m | nonspecialized | https://maps.google.com/?q=CharlesCounty+MD |
| | Clarke County | VA | 51043 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Outlying | in metro of > 1m | nonspecialized | https://maps.google.com/?q=ClarkeCounty+VA |
| | Culpeper County | VA | 51047 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Outlying | in metro of > 1m | nonspecialized | https://maps.google.com/?q=CulpeperCounty+VA |
| | District of Columbia | DC | 11001 | Washington, DC-MD 47764 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | in metro of > 1m | federal/state
government-dependent | https://maps.google.com/?q=DistrictofColumbia+DC |
| | Fairfax city | VA | 51600 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | in metro of > 1m | nonspecialized | https://maps.google.com/?q=Fairfaxcity+VA |
| | Fairfax County | VA | 51059 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | in metro of > 1m | nonspecialized | https://maps.google.com/?q=FairfaxCounty+VA |
| | Falls Church city | VA | 51610 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | in metro of > 1m | nonspecialized | https://maps.google.com/?q=FallsChurchcity+VA |
| | Fauquier County | VA | 51061 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Outlying | in metro of > 1m | nonspecialized | https://maps.google.com/?q=FauquierCounty+VA |