Below is a list of Ketchikan Gateway County AK zip codes. For your research we have also included Ketchikan Gateway County Area Code, Time Zone, UTC and the local County FIPS Code. Each Ketchikan Gateway County Alaska zip code has a center Longitude / Latitude point (the Ketchikan Gateway County center is -131.70700073242 / 55.390098571777). For your convenience we have also indicated if that zip code in Ketchikan Gateway County observes Daylight Savings time.