| | Stark County | OH | 39151 | | Canton-Massillon, OH 15940 | Cleveland-Akron-Canton,
OH 184 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=StarkCounty+OH |
| | Summit County | OH | 39153 | | Akron, OH 10420 | Cleveland-Akron-Canton,
OH 184 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=SummitCounty+OH |
| | Vinton County | OH | 39163 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=VintonCounty+OH |
| | Warren County | OH | 39165 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WarrenCounty+OH |
| | Washington County | OH | 39167 | | Marietta, OH 31930 | Parkersburg-Marietta-Vienna,
WV-OH 425 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WashingtonCounty+OH |
| | Erie County | OH | 39043 | | Sandusky, OH 41780 | Cleveland-Akron-Canton,
OH 184 | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=ErieCounty+OH |
| | Hocking County | OH | 39073 | | Columbus, OH 18140 | Columbus-Marion-Zanesville,
OH 198 | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=HockingCounty+OH |
| | Ottawa County | OH | 39123 | | Sandusky, OH 41780 | Cleveland-Akron-Canton,
OH 184 | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=OttawaCounty+Ohio |