- Canteen
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- Millstadt
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- O'Fallon
- Prairie du Long
- St. Clair
- Shiloh Valley
- Smithton
- Stites
- Stookey
- Sugarloaf
- Former Township: Belleville
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- Belleville
- Cahokia Heights
- Collinsville
- Columbia
- East St. Louis
- Fairview Heights
- Lebanon
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- O'Fallon
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- Brooklyn
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- Dupo
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