| Business | Phone |
| Hazen City Bus Po Box 717, Hazen 58545 | (701) 880-3167 |
| Hazen City Multipurpose Room 241 Main St E, Hazen 58545 | (701) 748-9911 |
| Hazen City Office 146 E Main St, Hazen 58545 | (701) 748-2550 |
| Hazen City Shop 11th Ave W, Hazen 58545 | (701) 748-6173 |
| John Moses Mem Park Campground 7th St And 3rd Ave, Hazen 58545 | (701) 748-6948 |