| Department | Phone Number |
| Administration | (920) 448-4037 |
| Aging & Disability Resource Center | (920) 448-4300 |
| Airport | (920) 498-4800 |
| Child Support | (920) 448-4090 |
| Circuit Court | (920) 448-4110 |
| Clerk of Circuit Court | (920) 448-4155 |
| Corporation Counsel | (920) 448-4006 |
| County Board Office | (920) 448-4015 |
| County Clerk | (920) 448-4016 |
| County Executive | (920) 448-4001 |
| District Attorney | (920) 448-4190 |
| Emergency Management | (920) 391-7401 |
| Extension Brown County | (920) 391-4610 |
| Facilities | (920) 448-4507 |
| Golf Course | (920) 497-1731 |
| Health & Human Services | (920) 448-6000 |
| Highway | (920) 492-4925 |
| Human Resources | (920) 448-4071 |
| Information Technology | (920) 448-4032 |
| Land & Water Conservation | (920) 391-4621 |
| Library | (920) 448-4400 |
| Medical Examiner | (920) 448-4185 |
| Neville Public Museum | (920) 448-4460 |
| NEW Zoo & Adventure Park | (920) 434-7841 |
| Parks | (920) 448-4054 |
| Planning & Land Services | (920) 448-6480 |
| Port of Green Bay | (920) 492-4950 |
| Public Health | (920) 448-6400 |
| Public Safety Communications | (920) 391-7400 |
| Purchasing | (920) 448-4036 |
| Register in Probate | (920) 448-4275 |
| Register of Deeds | (920) 448-4470 |
| Resource Recovery | (920) 492-4950 |
| Syble Hopp School | (920) 336-5754 |
| Treasurer | (920) 448-4074 |
| Veterans Service Office | (920) 448-4450 |
