| | | St. Francois County | MO | 29187 | | Farmington, MO 22100 | St. Louis-St.
Charles-Farmington, MO-IL 476 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=St.FrancoisCounty+MO |
| | | St. Louis County | MO | 29189 | | St. Louis, MO-IL 41180 | St. Louis-St.
Charles-Farmington, MO-IL 476 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=St.LouisCounty+MO |
| | | Saline County | MO | 29195 | | Marshall, MO 32180 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SalineCounty+MO |
| | | Scott County | MO | 29201 | | Sikeston, MO 43460 | Cape Girardeau-Sikeston,
MO-IL 164 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ScottCounty+MO |
| | | Taney County | MO | 29213 | | Branson, MO 14700 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=TaneyCounty+Missouri |
| | | St. Louis city | MO | 29510 | | St. Louis, MO-IL 41180 | St. Louis-St.
Charles-Farmington, MO-IL 476 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=St.Louiscity+MO |
| | | Atchison County | MO | 29005 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=AtchisonCounty+MO |
| | | Barry County | MO | 29009 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=BarryCounty+MO |
| | | Barton County | MO | 29011 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BartonCounty+MO |
| | | Benton County | MO | 29015 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=BentonCounty+MO |
