title: 406 (disambiguation)
text: # 406 (disambiguation)
  
  406 was a year of the Julian calendar. 406 may also refer to:
  
  * 406 (number)
  * 406 MHz, the COMPASS distress frequency
  * Area code 406 in Montana, United States
  * HTTP 406, an error code
  * Any of several highways; see List of highways numbered 406
  * Peugeot 406, a French car
  