Nah, it’s a UPS store:
http://www.quickr.org/UPS_Store_153_01_JAMAICA_AVE_QUEENS_JAMAICA_NY_11432
Suite 535...Box 535. Just semantics. I’ve done it myself in the past.
Now, why he’s paying $350/mo for it is a good question.
Well that answers the question about the address. But it doesn’t answer the question of motive. It needs some investigation.