99136 Frequently Asked Questions

A: ZIP Code 99136 is Located in Hay Washington.

A: ZIP Code 99136 is Located Entirely in Whitman County Washington.

A: The Current Sales Tax in ZIP Code 99136 is 7.9%

A: The Area Code for 99136 is 509.

A: ZIP Code 99136 is in the Washington 5th Congressional District.

A: ZIP Code 99136 is in Washington State House of Representatives District 9.

A: ZIP Code 99136 is in Washington State Senate District 9.

A: The 2022 population of ZIP Code 99136 is 17. The population growth rate in 99136 is -8.70%. The population density of 99136 is 1.

A: The majority race/ethnicity of people residing in 99136 is White (100.00%).

A: The median household income in 99136 is $40,625 (2021) and the average adjusted income is $-1 ().