Area Code 431
(204 and 431 and 584)
Area Code 431 History:
Area code 431 was officially put into service as an overlay of area code 204. Area codes 431 covers the entire province of Manitoba. Mandatory 10 digit dialing is required.
Area code 584 was put into service as an all services overlay covering existing area codes 204 and 431 on 10/29/2022.
Ten digit dialing (area code + seven digit number) is necessary in the 204/431/548 overlay 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.
Major cities or places in Manitoba within area code 431 include:
Area codes 204 and 431 serve the larger communities of Brandon, Dauphin, Portage La Prairie, Selkirk, Swan River, Steinbach Thompson, Winkler and Winnipeg in addition to the entire province of Manitoba.