Canada Post Carrier Services

Carrier Service ID
Canada Post Priority Courier 168
Canada Post Express Post 169
Canada Post Expedited Parcel 170
Canada Post Regular Parcel 171
Canada Post Express Post USA 173
Canada Post Small Packet Air Intl 174
Canada Post Air Parcel Intl 175
Canada Post Surface Parcel Intl 176
Canada Post Express Post Intl 177
Canada Post Expedited Parcel USA 179
Canada Post Small Packet Surface Intl 180
Canada Post Tracked Packet USA 584
Canada Post Tracked Packet USA LVM 585
Canada Post Tracked Packet International 586
Canada Post USA Small Packet Air 796

See full Canada Post (CarrierID=25) Reference.