Yes, it's true. Simply dial 1-800-466-4411 to easily find the local businesses you are searching for. Available in the U.S only, the service is totally free and lets you search vocally for businesses, get maps and details about your search results.

You can learn more about it here: http://googleblog.blogspot.com/2007/06/1-800-goog-411-now-with-maps.html