Most Michiganders treat the mailbox like a tiny roadside treasure chest. Some days it holds birthday cards and magazine subscriptions. Other days, it's nothing but bills, junk flyers, and a coupon for a roof you don't need.

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Before you stroll curbside and reach in for today's stack of envelopes, the United States Postal Service is asking Michigan residents to take a closer look inside.

Why USPS Wants Michigan Residents to Inspect Their Mailboxes

A rusted mailbox with black paint chipping off.
Photo by Christin Hume on Unsplash / Canva
A rusted mailbox with black paint chipping off.

During National Mailbox Improvement Week, held annually in the third week of May, USPS is encouraging homeowners to inspect and maintain their mailboxes. That means tightening loose hinges, repainting weathered boxes, making sure house numbers are easy to read, and clearing out any unwanted guests.

And by "unwanted guests," we're talking about wasps, hornets, and bees that have decided your mailbox is the perfect starter home.

Protecting Michigan Mail Carriers From Painful Surprises

A mailbox covered with wood shingles is pictured.
Photo by Damian Kim on Unsplash / Canva
A mailbox covered with wood shingles is pictured.

Though not the most common injury (that would be dog bites), the agency says too many letter carriers nationwide are injured annually by stinging insects inside mailboxes. Carriers are trained to look for nests, but a quick inspection by homeowners can prevent a painful encounter for anyone putting their hands inside your mailbox.

RELATED: The Postal Shift of 1963: How Michigan Got Its 'MI' Abbreviation

So before you grab this month's electric bill and another credit card offer you'll immediately shred, take five seconds to make sure your mailbox isn't buzzing with bad intentions.

The Fastest Growing ZIP Codes in Michigan for 2026

MovingPlace analyzed nearly 500,000 residential moves and ranked Michigan ZIP codes by "moves per capita," a metric that compares how many people moved into an area relative to its population. The approach highlights communities attracting an unusually high number of new residents, from booming downtowns to small towns suddenly getting a lot more U-Hauls than usual.

Gallery Credit: Scott Clow

The 20 Worst Cities For Car Accidents in Michigan For 2026

Michigan Auto Law used official crash data from Michigan Traffic Crash Facts, along with U.S. Census population numbers, to rank cities with at least 500 crashes and populations over 10,000. So this wasn’t some guy in a Facebook comment section yelling, “People can’t drive there.” Here's a look at the 20 worst cities in Michigan for car accidents.

Gallery Credit: Scott Clow