| | Lancaster County | VA | 51103 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=LancasterCounty+VA |
| | Lee County | VA | 51105 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=LeeCounty+VA |
| | Loudoun County | VA | 51107 | 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=LoudounCounty+VA |
| | Louisa County | VA | 51109 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=LouisaCounty+VA |
| | Lunenburg County | VA | 51111 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=LunenburgCounty+VA |
| | Madison County | VA | 51113 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=MadisonCounty+VA |
| | Mathews County | VA | 51115 | | Virginia
Beach-Chesapeake-Norfolk,
VA-NC 47260 | Virginia
Beach-Chesapeake, VA-NC 545 | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=MathewsCounty+VA |
| | Mecklenburg County | VA | 51117 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=MecklenburgCounty+VA |
| | Middlesex County | VA | 51119 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=MiddlesexCounty+VA |
| | Montgomery County | VA | 51121 | | Blacksburg-Christiansburg-Radford,
VA 13980 | | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=MontgomeryCounty+VA |