| Pearson International Airport ATC Frequencies (CYYZ) | ||
Frequency | Service | Transmitter Location |
| 118.000 | Tower - Backup | PIA Toronto |
| 118.350 | Tower - South | PIA Toronto |
| 118.700 | Tower - North | PIA Toronto |
| 119.100 | Ground - Center | PIA Toronto |
| 121.650 | Ground - North | PIA Toronto |
| 121.900 | Ground - South | PIA Toronto |
| 122.075 | South Apron - Terminal 1 except gates listed below - East Satellite Ramp - GTAA Hangar & Avitat Ramps | PIA Toronto |
| 122.275 | North Apron - Terminal 3 & T-3 Satellite - T-1 Gates 101>128 & 133,135,137,139,140,142 - IFT - Cargo West - Fedex | PIA Toronto |
| 122.825 | Apron - Backup | PIA Toronto |
| 136.525 | Apron Tow Coordinator | PIA Toronto |
| 122.675 | Emergency Services - Pilot to Fire Vehicle communications | N/A |
| 120.825 | ATIS - Primary | PIA Toronto |
| 133.100 | ATIS - Secondary | PIA Toronto |
| 121.300 | Clearance Delivery | PIA Toronto |
| 132.800 | Arrivals - 1 | PIA Toronto |
| 124.475 | Arrivals - 2 | PIA Toronto |
| 125.400 | Arrivals - 3 | PIA Toronto |
| 127.575 | Departures | PIA Toronto |
| 128.800 | Departures | PIA Toronto |
| 134.175 | ILS Monitor | PIA Toronto |
| 134.150 | PAR Monitor | PIA Toronto |
| 123.275 | FSS - London Flight Information Centre (RCO) | PIA Toronto |
| 121.500 | International VHF Emergency Frequency | PIA Toronto |
| 130.875 | Hangar De-Icing Facility | PIA Toronto |
| 131.175 | Central De-Icing Facility | PIA Toronto |
| 131.950 | Central De-Icing Facility - Backup | PIA Toronto |
| 131.375 | Central De-Icing Facility | PIA Toronto |
| 129.625 | Central De-Icing Facility | PIA Toronto |