| Business | Phone |
| Day County Assessments Dir 711 W 1st St, Webster 57274 | (605) 345-9502 |
| Day County Community Svc Ofc 710 W 1st St, Webster 57274 | (605) 345-9501 |
| Day County Extension Agent 710 W 1st St # 5, Webster 57274 | (605) 345-9504 |
| Day County Highway 530 W I Ave, Webster 57274 | (605) 345-4658 |
| Day County Landfill Webster 57274 | (605) 345-4839 |
| Day County Nurse 710 W 1st St, Webster 57274 | (605) 345-3882 |
| Day County Register Of Deeds 710 W 1st St, Webster 57274 | (605) 345-9506 |
| Day County Veterans Svc Office 711 W 1st St, Webster 57274 | (605) 345-9512 |