| Region 1 | Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont |
| Region 2 | New Jersey, New York, Puerto Rico, Virgin Islands |
| Region 3 | Delaware, Maryland, Pennsylvania, Virginia, West Virginia |
| Region 4 | Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee |
| Region 5 | Illinois, Indiana, Ohio, Michigan, Minnesota, Wisconsin |
| Region 6 | Arkansas, Louisiana, New Mexico, Oklahoma, Texas |
| Region 7 | Iowa, Kansas, Missouri, Nebraska |
| Region 8 | Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming |
| Region 9 | Arizona, California, Hawaii, Nevada, Guam |
| Region 10 | Alaska, Idaho, Oregon, Washington |