The number 505 is often seen as a sign of change. If you see this number in your dreams, it may be a sign that you need to change the way you live your life. This change could be something as small as eating healthier or exercising more, or it could be something more significant like moving to a new city or changing careers. Whatever the change may be, the number 505 is a reminder that it's never too late to make a change for the better.