Hi
mickey93 , welcome to RadioReference
Looking at Porter County, Indiana in the DB ,I saw these "regular" freq's.
Valparaiso, City of
155.625 Police
158.790 Fire Dispatch
155.430 Fireground
Schools
Valparaiso University
155.955 Police
154.540 Student Escort Service
Perhaps you are asking about trunking though .
Which trunking system are you interested in ?