The small, medium, and large boxes are comparable in size to the 1, 2, and 3 sizes respectively. UPS Mailbox Pricing ( find a location near you for pricing) USPS PO Box Pricing (search for local prices here) Here is a comparison (these are for the downtown Raleigh locations, so prices might be different where you live): Being a start up, the biggest factor was price. So we did the research (read a lot of online sources and the fine print of the rental agreements) and decided that we wanted to go with a PO Box at the Post Office. That left us with two options, PO Box or UPS Mailbox? Our day jobs are on Fayetteville street in downtown Raleigh so we wanted a 'permanent' address we could walk to, so that checking it wasn't inconvenient.

Most importantly, a place that people could send us notes of encouragement! (sadly, this hasn't come up either - but you could change that!!).Having an address listed on your website makes it seem more legit.With our crazy lives, things sent to our houses might get overlooked.With all the paperwork involved in starting a company, we wanted to keep track of which address we submitted things under.Having a place that customers could return items (thankfully this hasn't come up yet).Privacy (not having to use our personal addresses).Soon after starting UPstudio we realized that a permanent address would really help us for a few reasons:

Usps move mailboxx inside a business