World's Largest Mailbox

Admission
Free
Hours
Daily, 24 hours
Duration
15-30 minutes
Parking
Free street parking is available along Main Street
Access
Ground-level viewing is wheelchair accessible, but the interior staircase is not

This massive, fully functional mailbox stands over 30 feet tall and features a built-in staircase. Visitors can climb inside the box to mail a postcard, which triggers the giant red flag to rise. It is one of Casey's many record-breaking roadside attractions.

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Standing at over 30 feet tall, the World's Largest Mailbox is one of the centerpiece attractions in Casey, Illinois, a town famous for its oversized objects. Created by local businessman Jim Bolin, this massive structure is fully functional and officially certified by Guinness World Records.

Visitors can climb up a staircase built into the support post to stand inside the main box itself. From this elevated platform, you can mail a postcard and watch the giant red flag raise to signal that the mail has been deposited.

The attraction beautifully blends whimsy with utility, serving as a real, operational piece of postal infrastructure. It is located in Casey's charming downtown area, making it a perfect starting point for exploring the town's other giant creations.

Ratings

attraction
Historical Significance
2/5
Cultural Relevance
4/5
Fun Factor
5/5
Accessibility
5/5
Photo Worthiness
5/5
Interactivity
5/5
Kid Friendliness
5/5
Popularity
4/5
Pet Friendly ✓Free Admission ✓Nearby Food ✓Good for Kids ✓

Visitor Tips

  • Bring a pre-stamped postcard or letter to mail from the top of the mailbox for a unique souvenir postmark.
  • Visit during the weekday mornings to avoid crowds on the stairs leading up to the mailbox platform.
  • Pick up a local map nearby to easily locate the dozens of other certified 'World's Largest' items scattered throughout the town.

Heads Up

  • The metal stairs leading to the upper platform can be slippery during wet or icy weather.
  • The viewing platform has a strict capacity limit, so expect a brief wait during peak tourist hours.

Common questions

Can you actually mail a letter from the World's Largest Mailbox?

Yes, the mailbox is fully functional and recognized by the USPS. You can climb up inside the structure to deposit mail into the slot, and there is a lever you can pull to raise the giant red flag.

Is there an elevator to get to the top of the mailbox?

No, there is no elevator. Access to the inside of the mailbox is by climbing a flight of stairs.

Do you have to pay to climb up inside the mailbox?

No, it is completely free to visit and climb up into the mailbox. Donations are accepted to help maintain the town's various oversized attractions.

Where can you buy postcards and stamps to mail from there?

You can purchase postcards and postage stamps at the local gift shops and businesses located right across the street and around downtown Casey.