868 may refer to:
868 (number), a number 868, a year in the Common Era Area code 868, area code for Trinidad and Tobago in the North American Numbering Plan 868 MHz-band (863–870 MHz), a radio frequency band used by devices such as thermostats, fire systems, burglar systems, and DIN-transceivers; see Short-range device
See also List of highways numbered 868