| Business | Phone |
| Central Elementary School 101 Court St, Dumas 71639 | (870) 382-4954 |
| Dumas 21st Century Learning 322 E Bowles St, Dumas 71639 | (870) 382-2801 |
| Dumas Isd Adult Education 124 N Main St, Dumas 71639 | (870) 382-8643 |
| Dumas Junior High School 315 S College St, Dumas 71639 | (870) 382-4476 |
| Dumas Public School District 213 Adams St, Dumas 71639 | (870) 382-4571 |
| Dumas Senior High School Dan Gill Dr, Dumas 71639 | (870) 382-4151 |
| Dumas Special Education 318 Adams St, Dumas 71639 | (870) 382-2616 |
| Federal Program 318 Adams St, Dumas 71639 | (870) 382-4765 |
| Target School 320 Adams St, Dumas 71639 | (870) 382-1552 |
| Reed Elementary 710 S Cherry St, Dumas 71639 | (870) 382-5363 |
| Jodie Partridge Ctr 1180 Highway 165 E, Dumas 71639 | (870) 382-4374 |
| Hill & Dale Christian School Highway 83, Dumas 71639 | (870) 382-6449 |