| Business | Phone |
| Cook Ranch Hc 59 Box 46, Edgemont 57735 | (605) 662-7123 |
| Edgemont Elementary School 715 D St, Edgemont 57735 | (605) 662-7294 |
| Edgemont School District 23-1 715 D St, Edgemont 57735 | (605) 662-7254 |
| Elk Mountain Sd School Hc 59 Box 38, Edgemont 57735 | (605) 749-2227 |