One can find 411 directories for Ottawa at Canada411.ca, 411.ca and 411DirectoryAssistance.ca. These directories allow one to search for a business, person or conduct a reverse lookup, which is a search for an individual via a phone number.
These directories allow one to search for a person by a variety of metrics, including name, address, postal code or area code. Through the use of directories, one can search for local restaurants, shopping centers, banks and other local businesses. These directories provide information regarding the businesses, such as phone numbers, access to businesses' websites, working hours, payment types accepted and addresses, as well as reviews from customers to help one make a well-informed decision.