Below is a list of Fairmont OK zip codes. For your research we have also included Fairmont Area Code, Time Zone, UTC and the local Garfield County FIPS Code. Each Fairmont Oklahoma zip code has a center Longitude / Latitude point (the Fairmont center is -97.705200195312 / 36.35530090332). For your convenience we have also indicated if that zip code in Fairmont observes Daylight Savings time.