AM640 is a Canadian radio station based in Toronto, Ontario. It operates on the AM frequency of 640 kHz and is known for its talk radio format, featuring a mix of news, current events, and opinion-based programming. The station is part of the Corus Entertainment network and serves a diverse audience with various shows and hosts. The station's programming includes local and national news coverage, interviews, and discussions on a wide range of topics. AM640 aims to engage listeners by providing a platform for dialogue and debate, making it a popular choice for those interested in staying informed about local and national issues.