Interregional Primary Plan Proposed Regions Proposed Regions

| Region | Group_A | Group_B | Group_C | Group_D | Group_E | Group_F |
|---|---|---|---|---|---|---|
| 1 | Maine New Hampshire Vermont | Massachusetts | Connecticut Rhode Island | Delaware New Jersey | New York | Pennsylvania |
| 2 | Maryland | West Virginia | Missouri | Indiana | Kentucky | Tennessee |
| 3 | Ohio | Illinois | Michigan | Wisconsin | Iowa | Minnesota |
| 4 | Texas | Louisiana | Arkansas Oklahoma | Colorado | Kansas Nebraska | Arizona New Mexico |
| 5 | Virginia | North Carolina | South Carolina | Florida | Georgia | Mississippi Alabama |