Below is a list of Stephens County OK zip codes. For your research we have also included Stephens County Area Code, Time Zone, UTC and the local County FIPS Code. Each Stephens County Oklahoma zip code has a center Longitude / Latitude point (the Stephens County center is -97.795997619629 / 34.484001159668). For your convenience we have also indicated if that zip code in Stephens County observes Daylight Savings time.