Dallas County (IA)
From The RadioReference Wiki
Unit Numbers
1-25 Dallas county Sheriff Cars 90's Dallas County EMS 100's Series Adel Fire and Police 200's Dallas county Jail 300's Dallas Center Fire and Police 400's DeSoto Fire 500's Granger Police( Fire Dispatch With Polk County Unit Numbers) 600's Perry Police 700's Minburn Fire 800's Waukee Fire 900's Waukee Police 950's Woodward Police 980-999 Woodward Fire (Boone County Dispatch with Dallas County Numbers)