Post Office in Jefferson County, IL

Opdyke Post Office
Opdyke Post Office

19206 East 8th Street, Jefferson County, IL 62872

618-756-2409

Dix Post Office
Dix Post Office

302 North Main Street, Jefferson County, IL 62830

618-266-7369

Mount Vernon Post Office
Mount Vernon Post Office

726 Park Avenue, Jefferson County, IL 62864

618-242-0640

Waltonville Post Office
Waltonville Post Office

504 East Main Street, Jefferson County, IL 62894

618-279-7224

Q&A

1. What services do post offices in the U.S. provide?

unfold fold
U.S. post offices offer a variety of services including mailing and shipping, passport applications, P.O. Box rentals, money orders, and more.

2. How can I track my mail or package?

unfold fold
You can track your mail or package using the tracking number provided at the time of shipment. Enter this number on the USPS website or app to see current delivery status.

3. What are the typical operating hours for a U.S. post office?

unfold fold
Most post offices open from 9 AM to 5 PM on weekdays, with limited hours on Saturdays. However, hours can vary by location, so it’s best to check the specific branch.

4. How do I change my address with the USPS?

unfold fold
You can change your address online through the USPS website or by filling out a change of address form at your local post office.

5. What should I do if my mail is lost or delayed?

unfold fold
First, check the tracking status. If there are issues, you can file a claim or request assistance online or at your local post office.

Favorites

Here is a brief description text of the drawer.