The cost to call directory assistance by dialing 411 is 95¢ per call.
You can get numbers from more than one place by simply staying on the
line. If you don't mind dialing extra digits for FREE voice activated
directory assistance, then simply dial 1-800-BING-411
(800-246-4411) for Bing's free 411 Service. This completely
voice-activated information service is free to call, use and connect to
your desired number from any phone.