answer:Tell your local post office that you moved. You fill out a form and all mail going to you at the old address can be redirected to your new address. If you have not done that, and this mail already will have arrived, then call the landlord or new owner and let them know a package was sent to your old address and you hadn’t yet filled out a post office redirection (or that it was UPS or Fedex or whatever), ask if they’ve seen it yet and let them know when to expect it and where to send it (or offer to come get it), or to return it to sender. If those don’t work, you could also phone the company you ordered from and let them know.