Tower & ground Dupage
| ATIS | 132.075 |
|---|---|
| Clearance | 119.75 |
| Ground | 121.8 |
| Tower | 120.9 (primary), 124.5 (secondary) |
| UNICOM | 122.95 |
| Flight service | 122.3 |
Approach & departure Chicago
| App/Dep | 133.5 |
|---|
By procedure & sector (2 more)
| 257.8 | LCL/P |
|---|---|
| 349.0 | APCH/P DEP/P |
Frequencies from FAA NASR. For planning and education only; always verify against official sources.