How can you correct the mistakes that google, yahoo and mapquest made on the address of our home, directions?

On entering our address to give directions to our home I discovered they have a big error. We live on road, they give directions to a small street which is called a trace; which is way wrong. Since then I have found many mistakes in our community, where do you contact these map companies?|||http://maps.google.com/support/bin/reque鈥?/a> %26lt;%26lt;go there to contact google, go here to contact yahoo: http://help.yahoo.com/fast/help/us/maps/鈥?/a> and go here to contact mapquest-http://www.mapquest.com/features/main.ad鈥?/a> or http://www.mapquest.com/features/main.ad鈥?/a>