| | Licking County | OH | 39089 | | Columbus, OH 18140 | Columbus-Marion-Zanesville,
OH 198 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=LickingCounty+OH |
| | Lorain County | OH | 39093 | | Cleveland, OH 17410 | Cleveland-Akron-Canton,
OH 184 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=LorainCounty+OH |
| | Madison County | OH | 39097 | | Columbus, OH 18140 | Columbus-Marion-Zanesville,
OH 198 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=MadisonCounty+OH |
| | Miami County | OH | 39109 | | Dayton-Kettering-Beavercreek,
OH 19430 | Dayton-Springfield-Kettering,
OH 212 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=MiamiCounty+OH |
| | Morrow County | OH | 39117 | | Columbus, OH 18140 | Columbus-Marion-Zanesville,
OH 198 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=MorrowCounty+OH |
| | Perry County | OH | 39127 | | Columbus, OH 18140 | Columbus-Marion-Zanesville,
OH 198 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=PerryCounty+OH |
| | Pickaway County | OH | 39129 | | Columbus, OH 18140 | Columbus-Marion-Zanesville,
OH 198 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=PickawayCounty+OH |
| | Union County | OH | 39159 | | Columbus, OH 18140 | Columbus-Marion-Zanesville,
OH 198 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=UnionCounty+OH |