| | Barbour County | WV | 54001 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=BarbourCounty+WV |
| | Braxton County | WV | 54007 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BraxtonCounty+WV |
| | Calhoun County | WV | 54013 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=CalhounCounty+WV |
| | Doddridge County | WV | 54017 | | Clarksburg, WV 17220 | Fairmont-Clarksburg, WV 242 | Outlying | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=DoddridgeCounty+WV |
| | Gilmer County | WV | 54021 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=GilmerCounty+WV |
| | Grant County | WV | 54023 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=GrantCounty+WV |
| | Greenbrier County | WV | 54025 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=GreenbrierCounty+WV |
| | Hardy County | WV | 54031 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=HardyCounty+WV |
| | Harrison County | WV | 54033 | | Clarksburg, WV 17220 | Fairmont-Clarksburg, WV 242 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=HarrisonCounty+WV |
| | Jackson County | WV | 54035 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=JacksonCounty+WV |