| State | DL# Format |
| Alabama | 1-7 num |
| Alaska | 1-7 num (release required) |
| Arizona | 1 ltr,3-6 num OR 2 ltr,3-5 num OR 1 ltr,8 num OR SS# |
| Arkansas | 8 or 9 num |
| California | 1 ltr, 7 num (requestor code required) |
| Colorado * | 1-2 ltr, 1-6 num |
| Connecticut * | 9 num |
| DC * | SS# |
| Delaware | 1-6 num |
| Florida ** | 1 ltr, 12 num |
| Georgia *,** | 7-9 num |
| Hawaii | 9 num |
| Idaho | SS# |
| Illinois * | 1 ltr, 11 num |
| Indiana | 1 ltr, 9 num OR 9 or 10 num |
| Iowa | SS# OR 3 num, 2 ltr, 4 num |
| Kansas | 6 alt. alphanumeric |
| Kentucky | 1ltr, 12 num OR SS# |
| Louisiana | 9 num |
| Maine | 7 num |
| Maryland | 1 ltr, 12 num |
| Massachusetts * | SS# |
| Michigan | 1 ltr, 12 num |
| Minnesota | 1 ltr, 12 num |
| Mississippi * | 9 num (sometimes SS#) |
| Missouri | 9 num OR SS# |
| Montana * | 1 ltr, 6 num OR SS# |
| Nebraska | 1 ltr, 3-8 num |
| Nevada * | SS# |
| New Hampshire * | 2 num, 3 ltr, 5 num |
| New Jersey | 1 ltr, 14 num |
| New Mexico | 8 num OR SS# |
| New York | 1 ltr, 18 num, 9 num |
| North Carolina ** | 1-7 num or 8 num |
| North Dakota | 9 num |
| Ohio * | 2 ltr, 6 num OR SS# |
| Oklahoma | 9 num |
| Oregon | 1-7 num |
| Pennsylvania | 6-8 num |
| Rhode Island * | 7 num |
| South Carolina | 7 num |
| South Dakota * | 7 num |
| Tennessee * | 7 or 8 num |
| Texas | 8 num |
| Utah | 1-9 alphanumeric |
| Vermont * | 7-8 num |
| Virginia * | 9 num OR 1 ltr, 8 num (release required) |
| Washington | Unavailable | |
| West Virginia * | 2 alphanumeric, 5 num |
| Wisconsin | 1 ltr, 13 num |
| Wyoming * | 1-10 num |