Region 17 consists of the U.S. Pacific Northwest, Alaska and western and northern Canada and it includes the following States and Provinces:

U.S.A

Oregon
Washington
Idaho
Montana
Alaska

CANADA
British Columbia
Alberta
Saskatchewan
Manitoba
north-western Ontario
Yukon territory
North West Territories

A few useless facts: Region 17 covers 73% of Canada's land area and 28% of the U.S.A's land area. This amounts to 44% of North America, or 3,508,191 square miles.