| | Canadian County | OK | 40017 | | Oklahoma City, OK 36420 | Oklahoma City-Shawnee, OK 416 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=CanadianCounty+OK |
| | Cleveland County | OK | 40027 | | Oklahoma City, OK 36420 | Oklahoma City-Shawnee, OK 416 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=ClevelandCounty+OK |
| | Grady County | OK | 40051 | | Oklahoma City, OK 36420 | Oklahoma City-Shawnee, OK 416 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=GradyCounty+OK |
| | Lincoln County | OK | 40081 | | Oklahoma City, OK 36420 | Oklahoma City-Shawnee, OK 416 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=LincolnCounty+OK |
| | Logan County | OK | 40083 | | Oklahoma City, OK 36420 | Oklahoma City-Shawnee, OK 416 | Central | metro county (urban) | mining-dependent | https://maps.google.com/?q=LoganCounty+OK |
| | McClain County | OK | 40087 | | Oklahoma City, OK 36420 | Oklahoma City-Shawnee, OK 416 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=McClainCounty+OK |
| | Oklahoma County | OK | 40109 | | Oklahoma City, OK 36420 | Oklahoma City-Shawnee, OK 416 | Central | metro county (urban) | mining-dependent | https://maps.google.com/?q=OklahomaCounty+OK |
| | Pottawatomie County | OK | 40125 | | Shawnee, OK 43060 | Oklahoma City-Shawnee, OK 416 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=PottawatomieCounty+OK |