16603 is zip code located in Altoona, Pennsylvania. The population is , making 16603 the 3rd largest zipcode in Altoona.
There are 0 public schools in 16603 with an average Homefacts rating of NA. The total crime rate for Altoona is moderate , and there are 0 registered sex offenders residing in the zip code 16603. Unemployment in 16603 is very high.