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United States Postal Service 1111 S Lincoln Ave, O'Fallon, IL 62269 View page
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Current listing

Name United States Postal Service
Category Government offices · Post office
Address 1111 S Lincoln Ave, O'Fallon, IL 62269
Phone (800) 275-8777
Website postallocations.com/il/o-fallon/o-fallon
Opening hours Mon–Fri 8:30 AM–7:00 PM · Sat 9:00 AM–4:00 PM · Sun closed
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