65606 is zip code located in Alton, Missouri. The population is 3,465, making 65606 the largest zipcode in Alton and the 2nd largest in Oregon County.
There are 2 public schools in 65606 with an average Homefacts rating of C+. , and there are 16 registered sex offenders residing in the zip code 65606. Unemployment in 65606 is moderate.