The online directory service 411.ca provides a searchable list of current telephone directories for Ontario, Canada. Its White Pages directory helps online users search for people and businesses in a particular town or province. INFOGO.com also provides telephone and office directory information of Government of Ontario employees and offices.
Non-current telephone directories are accessible through microfilm interloan service provided by the Ontario Ministry of Government and Consumer Services. The microfilms for the city of Toronto and other cities in Ontario include information, such as the name of the head of household and related family, the telephone number, street address and occupation and employer. FamilySearch.com provides a description of the microfilm. The microfilmed archival records may be borrowed in the Archives of Ontario.