The nationwide assistance directory is usually free of charge. If you are looking for local hotel or casino, just dial 1-800-FREE411 and request your search. It is free because of that sponsored short adds playing based on your search request.
Anyway you MAY BE charged minutes regarded your cell phone plan.
There are also paid options to receive text messages, but they require double opt-in, so you won’t miss the paying option.
You don’t have to worry about the privacy. Your phone number won’t be shared with anyone.