Estevan, SK is currently using only one area code which is area code 306. Area code 306 covers the entire province of Saskatchewan and was established in 1947. Area code 639 is proposed as an overlay of area code 306 but is not yet in service. The implementation date is scheduled for 05/25/13.
In addition to Estevan, SK area code 306 serves the larger cities and communities of Estevan, Humboldt, Moose Jaw, North Battleford, Prince Albert, Regina, Saskatoon, Swift Current, Weyburn and Yorkton in addition to many smaller communities throughout Saskatchewan.