Bremer County (IA)
From The RadioReference Wiki
Sheriff/City Police Numbering
9-0X - 9-1X Bremer County Sheriff 9-2X - Waverly Police 9-3X - Sumner Police 9-39 - Janesville Police 9-4X - 9-55 - Denver Police
9-0X - 9-1X Bremer County Sheriff 9-2X - Waverly Police 9-3X - Sumner Police 9-39 - Janesville Police 9-4X - 9-55 - Denver Police