| Business | Phone |
| Humboldt County 2210 Sheldon Ave, Humboldt 50548 | (515) 332-7196 |
| Humboldt County Agricultural 311 6th Ave N, Humboldt 50548 | (515) 332-5154 |
| Humboldt County 2568 Gotch Park Rd, Humboldt 50548 | (515) 332-9017 |
| Humboldt County Memorial Hosp 1050 15th St N, Humboldt 50548 | (515) 332-7903 |