15905 is zip code located in Johnstown, Pennsylvania. The population is 20,971, making 15905 the largest zipcode in Johnstown and the largest in Cambria County.
There are 9 public schools in 15905 with an average Homefacts rating of B-. , and there are 1 registered sex offenders residing in the zip code 15905. Unemployment in 15905 is high.