US Post Office, 1111 S Lincoln Ave, O Fallon, Illinois, 62269-9998
Store Hours of Operation, Location & Phone Number for US Post Office
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O Fallon
1111 S Lincoln Ave O Fallon IL 62269-9998
Hours(Opening & Closing Times):
Mon - Fri 8:30am - 7:00pm Sat 9:00am - 4:00pm Sun ClosedPhone Number: (618) 632-4691
Customer Service Email or Contact:
http://faq.usps.com/adaptivedesktop/faq.jsp?ef=USPSFAQ&dest=EmailUs
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