Jefferson County (WI)

Jefferson county uses the Expanded APCO 10 Codes for their signaling.

Unit Numbering

Law Enforcement

Code	Department
03xx's	Jefferson Sheriff's Department - ?
04xx"s	Jefferson Sheriff's Department - ?
05xx's	Jefferson Sheriff's Department - ?
62xx's	Town of Oakland Police
63xx's	Town Lake Mills Police
64xx's	City of Jefferson Police
65xx's	Village of Johnson Creek Police
66xx's	Village of Palmyra Police
67xx's	City of Waterloo
68xx's	City of Lake Mills Police
81xx's	Village of Cambridge Police

Fire and EMS

002x's  Johnson Creek Fire
003x's  Lake Mills Fire 
7xx's County EMS Units

Trunked Radio Systems

• Wisconsin Interoperable System for Communications
• City of Watertown EDACS System
• General Communications NEXEDGE and LTR

City of Watertown

• See the Watertown, City of (WI) article