| Business | Phone |
| Cass County Adm 303 Minnesota Ave, Walker 56484 | (218) 547-7419 |
| Cass County Bldgs & Grounds 300 Michigan Ave, Walker 56484 | (218) 547-7230 |
| Cass County Historical Society 205 Minnesota Ave E, Walker 56484 | (218) 547-7251 |
| Cass County Management Info 300 Minnesota Ave W, Walker 56484 | (218) 547-7389 |
| Cass County Mis 300 Minnesota Ave W, Walker 56484 | (218) 547-7238 |
| Cass County Natural Resources Courthouse, Walker 56484 | (218) 547-7254 |
| Cass County Recorder's Office 300 Minnesota Ave, Walker 56484 | (218) 547-7381 |
| Cass County Treasurer's Office 303 Minnesota Ave, Walker 56484 | (218) 547-7290 |
| Howa County Walker Family Ctr Po Box 1416, Walker 56484 | (218) 547-4273 |
| Mississippi Headwaters Board 300 Minnisota Ave, Walker 56484 | (218) 547-7263 |