Two free directory assistance numbers that can be accessed by cell phone users as of 2014 include 1-800-FREE-411 and 1-800-373-3411. When dialing these numbers, users must listen to short advertisements in exchange for free information. These services are free for cell phone users if not normally charged for toll-free calls.
The directory assistance number 1-800-FREE-411 works via an automated system. The system asks callers to provide a city and state for the desired listing. Callers must then indicate if the desired listing is a business, residential address or governmental body, and say the name associated with the phone number that's needed. If there is a competing business in a caller's area, he may hear an advertisement for that company.