(Spent a few years working in a small rural post office)
Two point five options:
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Talk with the mail carrier that physically comes to your mail box and let them know what's up. If its a smaller area with a regular carrier (few to no regular subs working the route) they might be super cool about making a note and leaving that particular package at the office for pickup. Might be a bit more resistance if its a much larger town/city with multiple post offices servicing the same zip code.
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Finding the actual post office where your mail is sent out from and chatting them up about the issue can also have them try to hold the package.
2 1/2) Honorable mention option: "Temporary Vacation Hold." Find the post office where your mail is sent out from and fill out a yellow card where all of your mail will be held at that post office for a few weeks. Just remember to go pick things up or after a month things might get dumped in one huge pile at your mailbox or "Returned to Sender"