| Business | Phone |
| Oconto Cnty Fishing & Hunting 301 Washington St, Oconto 54153 | (920) 834-6806 |
| Oconto Cnty Juvenile Detention 300 Washington St, Oconto 54153 | (920) 834-6913 |
| Oconto Cnty Marriage License 301 Washington St, Oconto 54153 | (920) 834-6804 |
| Oconto County Payroll 301 Washington St, Oconto 54153 | (920) 834-6894 |
| Oconto County Data Processing 301 Washington St, Oconto 54153 | (920) 834-6816 |
| Oconto County Finance Director 301 Washington St, Oconto 54153 | (920) 834-6810 |
| Oconto County Hwy Commissioner Tractor St, Oconto 54153 | (920) 834-6885 |
| Oconto County Information 301 Washington St, Oconto 54153 | (920) 834-6800 |
| Oconto County Maintenance 301 Washington St, Oconto 54153 | (920) 834-6809 |
| Oconto County Recycling 153 Evergreen Rd, Oconto 54153 | (920) 834-6876 |
| Oconto County Register Of Deed 301 Washington St, Oconto 54153 | (920) 834-6807 |
| Oconto County Register-Probate 301 Washington St, Oconto 54153 | (920) 834-6839 |
| Oconto County Traffic Clerk 301 Washington St, Oconto 54153 | (920) 834-6858 |
| Oconto County Veterans Svc Ofc 301 Washington St, Oconto 54153 | (920) 834-6817 |
| Oconto County Victim Witness 301 Washington St, Oconto 54153 | (920) 834-6832 |
| University-Wisconsin Extension 301 Washington St, Oconto 54153 | (920) 834-6845 |