so I've noticed that when people are interested in buying something from a vendor on this site, they always add a number i.e "how much? 344566" I'm guessing its something to do with the area maybe you live in??, but im not sure, can someone clarify this for me??

thanks in advance

 

its their zip code.

 

ahhh, ok ... sorry if I look stupid, I live in Canada and our postal codes contain letters as well...thanks