Only USA portions of the regions are shown. Some of the regions also encompass Canada and Mexico.

  Region 1 - British Columbia and Yukon Territory, Canada
  Region 2 - Mexico
  Region 3 - Alberta and Saskatchawan, Canada
  Region 5 - Labrador, New Brunswick, Nova Scotia, Ontario, Prince Edward Island and Quebec, Canada
  Region 6 - Manitoba and Northwest Territories, Canada

Clicking on any region in the map will take you to that region's website.