66748 is zip code located in Humboldt, Kansas. The population is 2,547, making 66748 the largest zipcode in Humboldt and the 2nd largest in Allen County.
There are 3 public schools in 66748 with an average Homefacts rating of B. , and there are 5 registered sex offenders residing in the zip code 66748. Unemployment in 66748 is moderate.