Hmm I believe there's a number. I've had pizza delievered to the poly. Just call and ask guest services, they'll have it.
Sorry...I wasn't much of a help.
Giordano's is a Chicago staple and they have a location in Lake Buena Vista now. Assuming it's akin to the ones we'd chowed down in Chicago, I highly recommend it. I have read that they deliver to WDW resorts: