99740 is zip code located in Fort Yukon, Alaska. The population is 517, making 99740 the largest zipcode in Fort Yukon and the 3rd largest in Yukon Koyukuk Census Area.
There are 2 public schools in 99740 with an average Homefacts rating of C-. , and there are 1 registered sex offenders residing in the zip code 99740. Unemployment in 99740 is high.