Map

 

States/Territories in each region:

Western Region

Alaska
American Samoa
California
Colorado
Guam
Hawaii
Idaho
Montana
Nevada
Northern Mariana Islands
Oregon
Utah
Washington
Wyoming

Midwest Region

Illinois
Indiana
Iowa
Michigan
Minnesota
Nebraska
North Dakota
Ohio
South Dakota
Wisconsin

Southwest Region

Arizona
Kansas
New Mexico
Oklahoma
Texas

South Central Region

Alabama
Arkansas
Kentucky
Louisiana
Mississippi
Missouri
Tennessee
West Virginia

 

South Atlantic Region

Florida
Georgia
North Carolina
South Carolina
Virginia

Northeast Region

Connecticut
Delaware
District of Columbia
Maine
Maryland
Massachusetts
New Hampshire
New Jersey
New York
Pennsylvania
Puerto Rico
Rhode Island
US Virgin Islands
Vermont