Channel 66 refers to several television stations:

Canada The following television stations operate on virtual channel 66 in Canada: CHNU-DT in Fraser Valley, British Columbia CKWS-DT-1 in Brighton, Ontario

Mexico The following television stations operate on virtual channel 66 in Mexico: XHILA-TDT in Mexicali, Baja California

See also Channel 66 virtual TV stations in the United States.