O'Fallon City Hall in O Fallon, MO
| Name: | O'Fallon City Hall |
| Address: | 100 N Main St O Fallon, MO 63366 |
| Phone: | (636) 240-2000 |
| Fax: | (636) 978-4144 |
| Categories: | City Government - Executive Offices |
| Website: | n/a |
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| Map: | |
| Major Intersections: | Main St N & Civic Park Dr |
| Facebook: | n/a |
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