Contact the O'Fallon Chamber of Commerce
Debbie Arell-Martinez, Executive Director
Doris Obernuefemann, Assistant Director
Rhonda Lustig, Administrative Assistant
chamber@ofallonchamber.com
Phone: (618) 632-3377
Fax: (618) 632-8162
Office Hours
Monday thru Friday 9-12 p.m. and 1-4 p.m.
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Office Location
116 East First Street
O'Fallon, Illinois 62269
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Mailing Address
P. O. Box 371
O'Fallon, Illinois 62269
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Contact the City of O'Fallon
City Administrator: Walter Denton
Address: City of O'Fallon, 255 S. Lincoln, O'Fallon, IL 62269
Phone: (618) 624-4500, ext. 1111
Fax: (618) 624-4508
Email: wdenton@ofallon.org
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P. O. Box 371 116 East First Street
O'Fallon, Illinois 62269
P: (618) 632-3377 F: (618) 632-8162
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