Where is 639 area code? 

639 – Saskatchewan

What area code is 639

Saskatchewan is one of Canada’s three prairie provinces. The Name of the province derives from the Cree name for the Saskatchewan river, Kisiskatchewani Sipi (fast flowing river).

The province borders the two provinces of Alberta to the West, Manitoba to the East and Northwest Territories to the North. In the South, Saskatchewan borders with the U.S. states of Montana and North Dakota. Saskatchewan was part of the Northwest Territories for a long time, in 1905 it became independent province in Canada.