alt Hacker NewsWhy do we not use ZIP+4 add-on codes anymore? Some sites won't even accept them. If you put that in first, you've narrowed it down to one street at worst, in most cases.
Why do we not use ZIP+4 add-on codes anymore? Some sites won't even accept them. If you put that in first, you've narrowed it down to one street at worst, in most cases.