| Call Letters | Dial Location | City |
| KCCK | 88.3 FM | Cedar Rapids |
| KUNI | 90.9 FM | Cedar Falls/ Waterloo |
| KNSB | 91.1 FM | Bettendorf |
| KNSC | 90.7 FM | Carroll |
| KDUB | 89.7 FM | Dubuque |
| KTRP | 91.1 FM | Fort Dodge |
| KOWI | 97.9 FM | Lamoni |
| KRNI | 1010 AM | Mason City/ Clear Lake |
| KUNY | 91.5 FM | Mason City |
| KDMR | 88.9 FM | Mitchellville |
| KDWI | 89.1 FM | Ottumwa |