| | 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 |
| | 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 |
| | Northampton County | VA | 51131 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=NorthamptonCounty+VA |
| | Northumberland County | VA | 51133 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=NorthumberlandCounty+VA |
| | Nottoway County | VA | 51135 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=NottowayCounty+VA |
| | Page County | VA | 51139 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=PageCounty+VA |
| | Patrick County | VA | 51141 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=PatrickCounty+VA |