99140 Frequently Asked Questions

A: ZIP Code 99140 is Located in Keller Washington.

A: ZIP Code 99140 is Located Entirely in Ferry County Washington.

A: The Current Sales Tax in ZIP Code 99140 is 8.0%

A: The Area Code for 99140 is 509.

A: ZIP Code 99140 is in the Washington 5th Congressional District.

A: ZIP Code 99140 is in Washington State House of Representatives District 7.

A: 99140 is within Washington State Senate District 7 and Washington State Senate District 9.

A: The 2022 population of ZIP Code 99140 is 568. The population growth rate in 99140 is 10.76%. The population density of 99140 is 1.

A: The majority race/ethnicity of people residing in 99140 is Native American (69.74%). The majority race/ethnicity of students attending public schools in 99140 is Native American(91.67%).

A: The median household income in 99140 is $37,262 (2021) and the average adjusted income is $71,880 (2021).