US Post Office

1111 S Lincoln Ave
O Fallon
IL 62269

Phone:

(800) 275-8777

Web:

Category: USPS, Post Office, Shipping Centers

Store Hours:

Mon 8:30am - 7pm
Tue 8:30am - 7pm
Wed 8:30am - 7pm
Thu 8:30am - 7pm
Fri 8:30am - 7pm
Sat 9am - 4pm
Sun Closed

Nearby Stores:

Location Map:

About US Post Office

The United States Postal Service (USPS), also known as the US Post Office and U.S. Mail, is an independent agency of the United States federal government responsible for providing postal service in the United States. The USPS is the operator of the largest civilian vehicle fleet in the world

Note: US Post Office 1111 S Lincoln Ave store hours are updated regularly, if you find any error please notify us.