Below is a list of Stilwell OK zip codes. For your research we have also included Stilwell Area Code, Time Zone, UTC and the local Adair County FIPS Code. Each Stilwell Oklahoma zip code has a center Longitude / Latitude point (the Stilwell center is -94.628898620605 / 35.8125). For your convenience we have also indicated if that zip code in Stilwell observes Daylight Savings time.