| | Erie County | OH | 39043 | | Sandusky, OH 41780 | Cleveland-Akron-Canton,
OH 184 | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=ErieCounty+OH |
| | Fayette County | OH | 39047 | | Washington Court House,
OH 47920 | Columbus-Marion-Zanesville,
OH 198 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=FayetteCounty+OH |
| | Gallia County | OH | 39053 | | Gallipolis, OH 23680 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=GalliaCounty+Ohio |
| | Guernsey County | OH | 39059 | | Cambridge, OH 15740 | Columbus-Marion-Zanesville,
OH 198 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=GuernseyCounty+OH |
| | Hancock County | OH | 39063 | | Findlay, OH 22300 | Findlay-Tiffin, OH 248 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=HancockCounty+OH |
| | Hardin County | OH | 39065 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=HardinCounty+OH |
| | Harrison County | OH | 39067 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=HarrisonCounty+OH |
| | Henry County | OH | 39069 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=HenryCounty+OH |
| | Highland County | OH | 39071 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=HighlandCounty+OH |
| | Holmes County | OH | 39075 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=HolmesCounty+OH |