| | | Warren County | VA | 51187 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=WarrenCounty+VA |
| | | 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 | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=Alexandriacity+VA |
| | | 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 | metro county (urban) | nonspecialized | https://maps.google.com/?q=Fairfaxcity+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 | metro county (urban) | nonspecialized | https://maps.google.com/?q=FallsChurchcity+VA |
| | | Fredericksburg city | VA | 51630 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=Fredericksburgcity+VA |
| | | Manassas city | VA | 51683 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=Manassascity+VA |
| | | Manassas Park city | VA | 51685 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ManassasParkcity+VA |
| | | Jefferson County | WV | 54037 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=JeffersonCounty+WV |
| | | Beaufort County | NC | 37013 | | Washington, NC 47820 | Greenville-Washington, NC 274 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=BeaufortCounty+NC |
| | | Daviess County | IN | 18027 | | Washington, IN 47780 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=DaviessCounty+IN |