99163 is zip code located in Pullman, Washington. The population is 31,579, making 99163 the largest zipcode in Pullman and the largest in Whitman County.
There are 5 public schools in 99163 with an average Homefacts rating of A-. The total crime rate for Pullman is very low , and there are 3 registered sex offenders residing in the zip code 99163. Unemployment in 99163 is very high.