Amber, Washington
Amber is an unincorporated community in Spokane County, Washington, United States. The town, which has few residents, is located along Amber Lake. Amber is assigned the ZIP code 99004.
Originally the town and lake were named, Calvert, for Samuel Calvert, who moved to this area in the 1890s. A post office was established nearby by Bartley Costello in 1909, who named it Amber. It remained in operation until 1975. The town changed its name during the 1910s to Amber to avoid confusion and expedite the mail service.