15904 is zip code located in Johnstown, Pennsylvania. The population is 16,475, making 15904 the 2nd largest zipcode in Johnstown and the 2nd largest in Cambria County.
There are 3 public schools in 15904 with an average Homefacts rating of B+. , and there are 0 registered sex offenders residing in the zip code 15904. Unemployment in 15904 is high.