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
See also
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Search for "406" on Wikipedia.
- All pages with titles beginning with 406
- All pages with titles containing 406
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