Once an OP sent my package to my address and my zip but the wrong city (I had changed the shipping address for the first refill, so they left the city from the first shipping address)It made it to me fine, I didn't even notice until later in the day when I looked at the fed ex package for some reason. I saw the mistake and I was all scared, even though I already had the meds, I was like "OMG, what if these didn't make it cause of that!!" Kinda stupid, since I had them, but you get my point! Maybe they only look at the zip!