| Number | Name | States |
|---|---|---|
| 1 | New England | Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont |
| 2 | Middle Atlantic | New Jersey, New York, Pennsylvania |
| 3 | East North Central | Illinois, Indiana, Michigan, Ohio, Wisconsin |
| 4 | West North Central | Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota |
| 5 | South Atlantic | Delaware, District of Columbia, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, West Virginia |
| 6 | East South Central | Alabama, Kentucky, Mississippi, Tennessee |
| 7 | West South Central | Arkansas, Louisiana, Oklahoma, Texas |
| 8 | Mountain Division | Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, Wyoming |
| 9 | Pacific Division | Alaska, California, Hawaii, Oregon, Washington |