63090 is zip code located in Washington, Missouri. The population is 21,833, making 63090 the largest zipcode in Washington and the largest in Franklin County.
There are 6 public schools in 63090 with an average Homefacts rating of B+. The total crime rate for Washington is low , and there are 24 registered sex offenders residing in the zip code 63090. Unemployment in 63090 is low.