| Business | Phone |
| Central Services 320 S Main St, Jefferson 53549 | (920) 674-7198 |
| Clerk Of Courts-Family Div 320 S Main St, Jefferson 53549 | (920) 674-7156 |
| Clerk Of Courts-Jury Duty 320 S Main St, Jefferson 53549 | (920) 674-7170 |
| Clerk Of Courts-Small Claims 320 S Main St, Jefferson 53549 | (920) 674-7163 |
| Clerk Of Courts-Traffic Dept 320 S Main St, Jefferson 53549 | (920) 674-7155 |
| Countryside Home-Jefferson Co 1130 Collins Rd, Jefferson 53549 | (920) 674-3170 |
| Highway Shop 631 N Watertown Ave, Jefferson 53549 | (920) 674-7265 |
| Jefferson Cnty First Offender 320 S Main St, Jefferson 53549 | (920) 674-7215 |
| Jefferson County Administrator 320 S Main St, Jefferson 53549 | (920) 674-7101 |
| Jefferson County Central Dup 320 S Main St, Jefferson 53549 | (920) 674-7134 |
| Jefferson County Coroner 320 S Main St, Jefferson 53549 | (920) 674-7119 |
| Jefferson County Corp Counsel 320 S Main St, Jefferson 53549 | (920) 674-7135 |
| Jefferson County Fair 503 N Jackson Ave, Jefferson 53549 | (920) 674-7148 |
| Jefferson County Highway Comm 141 W Woolcock St, Jefferson 53549 | (920) 674-7390 |
| Jefferson County Home Health N3995 Annex Rd, Jefferson 53549 | (920) 674-7275 |
| Jefferson County Juvenile Dept 320 S Main St, Jefferson 53549 | (920) 674-7157 |
| Jefferson County Land Info Ofc 320 S Main St, Jefferson 53549 | (920) 674-7254 |
| Jefferson County Personal Care N3995 Annex Rd, Jefferson 53549 | (920) 674-7188 |
| Jefferson County Personnel 320 S Main St, Jefferson 53549 | (920) 674-7103 |
| Jefferson County Register 320 S Main St, Jefferson 53549 | (920) 674-7245 |
| Jefferson County Register-Deed 320 S Main St, Jefferson 53549 | (920) 674-7235 |
| Jefferson County Surveyor 320 S Main St, Jefferson 53549 | (920) 674-7147 |
| Jefferson County Uw Extension 864 Collins Rd, Jefferson 53549 | (920) 674-7295 |
| Jefferson County Veterans Svc 320 S Main St, Jefferson 53549 | (920) 674-7240 |
| Jefferson County Victim-Wtnss 320 S Main St, Jefferson 53549 | (920) 674-7375 |
| Jefferson County Victim-Wtnss 864 Collins Rd, Jefferson 53549 | (920) 674-7375 |