Mailbox check in Las Vegas

My wife and I used mailboxmap to locate mailboxes in our area, then drove around to see if they were still there. For the most part, yes, they were. Two missing boxes were at mail stores that were no longer in business. One UPS store no longer had a mailbox in front. All the other ones were there, including one in front of a Walmart.

Which makes me wonder, who goes to a UPS store to drop off mail? Post offices have…