The 411 directory can be accessed by telephone by dialing 411, and stating Ontario as the desired location. Telephone is the traditional method for accessing the 411 directory, but an online version is now available.
The 411 directory for Ontario can also be found by visiting www.canada411.ca, then entering 'Ontario' into the 'Where?' text box, next to the name you wish to search. You can use this method to look up both people and businesses in Ontario. The online 411 directory offers a range of advanced features, including reverse phone and address look up, postal code look up, people finder and advanced search.