Chloride is a onetime silver mining camp in Mohave County, Arizona, and is considered the oldest continuously inhabited mining town in the state. Chloride has a ZIP Code of 86431; in 2000, the population of the 86431 ZCTA was 352.Chloride is located on the southwest flank of the Cerbat Mountains northwest of Kingman, Arizona. Grasshopper Junction is four miles to the west on US Route 93.