West Division: Alaska, California, Guam, Hawaii, Idaho, Montana, Oregon, Nevada, Washington and Wyoming

South Central Division: Arkansas, Arizona, Colorado, Louisiana, Mississippi, New Mexico, Oklahoma, Texas and Utah

North Central Division*: Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota and Wisconsin

Southeast Division: Alabama, Florida, Georgia, North Carolina, Puerto Rico, South Carolina, Tennessee, U.S. Virgin Islands, and Virginia

Northeast Division*: Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont and Washington, DC, and West Virginia

*Divisions were modified on April 18, 2012