1-800-GOOG-411: Find and connect with local businesses for free from your phone.
The site has a short video explaining the service.
Basically, by programing 1-800-goog411 into your phone, you can call it any time from any location to get connected to any person/place you are trying to reach/find.
In addition, you can also use the TEXT version for local weather reports, sports scores, etc.
Very handy. Very free.