DOT physical locations by state
| State | Areas | Clinics |
|---|---|---|
| Alabama | 9 | 268 |
| Alaska | 4 | 39 |
| American Samoa | 1 | 1 |
| Arizona | 9 | 467 |
| Arkansas | 5 | 91 |
| California | 28 | 1,429 |
| Colorado | 8 | 358 |
| Connecticut | 4 | 132 |
| Delaware | 1 | 65 |
| District of Columbia | 1 | 30 |
| Florida | 20 | 1,371 |
| Georgia | 11 | 498 |
| Guam | 1 | 5 |
| Hawaii | 1 | 63 |
| Idaho | 4 | 70 |
| Illinois | 11 | 383 |
| Indiana | 10 | 246 |
| Iowa | 11 | 40 |
| Kansas | 8 | 108 |
| Kentucky | 6 | 164 |
| Louisiana | 8 | 274 |
| Maine | 1 | 84 |
| Maryland | 6 | 396 |
| Massachusetts | 5 | 261 |
| Michigan | 18 | 642 |
| Minnesota | 8 | 146 |
| Mississippi | 6 | 125 |
| Missouri | 9 | 233 |
| Montana | 8 | 41 |
| Nebraska | 5 | 55 |
| Nevada | 3 | 178 |
| New Hampshire | 1 | 70 |
| New Jersey | 4 | 427 |
| New Mexico | 6 | 92 |
| New York | 21 | 622 |
| North Carolina | 12 | 400 |
| North Dakota | 4 | 22 |
| Northern Mariana Islands | 0 | 0 |
| Ohio | 16 | 388 |
| Oklahoma | 5 | 218 |
| Oregon | 10 | 108 |
| Pennsylvania | 15 | 489 |
| Puerto Rico | 1 | 83 |
| Rhode Island | 1 | 45 |
| South Carolina | 6 | 168 |
| South Dakota | 5 | 25 |
| Tennessee | 8 | 434 |
| Texas | 27 | 1,611 |
| U.S. Virgin Islands | 1 | 8 |
| Utah | 5 | 87 |
| Vermont | 1 | 19 |
| Virginia | 11 | 327 |
| Washington | 11 | 167 |
| West Virginia | 8 | 74 |
| Wisconsin | 12 | 93 |
| Wyoming | 2 | 48 |