17320 is zip code located in Fairfield, Pennsylvania. The population is 7,895, making 17320 the largest zipcode in Fairfield and the 5th largest in Adams County.
There are 3 public schools in 17320 with an average Homefacts rating of B. , and there are 9 registered sex offenders residing in the zip code 17320. Unemployment in 17320 is moderate.