RoamTheWorldCellPhones.com

Cellphone GSM Frequencies: 850/1900

(This means you will need a GSM cellphone that will work on 850MHz or 1900Mhz to use it in Canada.)

Cellular carriers for Canada

Rogers Wireless Inc

Frequency: GSM 850/1900
Website: www.rogers.com

Coverage Map

Microcell Telecommunications Inc (Fido)

Frequency: GSM 1900
Website: www.fido.ca

Coverage Map

If you've used either of these networks or roamed in Canada, please post about your experience and the cost. Feel free to ask questions.