Area code 306

Area code 306 is an area code for Saskatchewan. It was one of the earliest area codes created in 1947, It covers the entire province of Saskatchewan. It was overlaid by 639 in 2013 and by 474 on October 2, 2021.https://www.cbc.ca/news/canada/saskatchewan/area-code-saskatchewan-1.4756194

 Sources 

Category:Saskatchewan
306