Brandon, MB utilizes an area code overlay in which area codes 204 and 431 serve the same geographic area. The area code overlay will be put into service on November 3, 2012 at which time area code 431 will serve as an overlay of area code 204. Ten digit dialing (area code + seven digit number) is necessary because two different homes in the same geographic area can have the same seven digit phone number but each would have a different area code. Area code 204 which covers the entire province of Manitoba and was established in 1947.
In addition to Brandon, MB area codes 204 and 431 serve the larger communities of Brandon, Portage la Prairie, Selkirk, Steinbach, Swan River, Thompson and Winnipeg in addition to the entire province of Manitoba