What happendes if someone sends me mail to my address but puts the wrong zip code?

I am moving and sent out some letters to family and friends and when i sent them out i put my new address,that way they can have it. But i just realized right now that the zip code i put is WRONG. The address itself is right its just the zip code. In the future if they send me something and put that wrong zip code will i get the mail? Or will they send the mail back to sender? The zip code is only off by one number and its the last number. But like i said everything else was correct including the name of the city.What happendes if someone sends me mail to my address but puts the wrong zip code?
The zip code is really important but if you life in a small town and the post office knows you you might get it. I would ask my postmaster.What happendes if someone sends me mail to my address but puts the wrong zip code?
As long as the address is correct...the zip code shouldn't matter so much. The postal office would just think its a typo. My sister did that when she moved also, but she still got all her mail. So, it should be fine. :)