Below is a list of Roger Mills County OK zip codes. For your research we have also included Roger Mills County Area Code, Time Zone, UTC and the local County FIPS Code. Each Roger Mills County Oklahoma zip code has a center Longitude / Latitude point (the Roger Mills County center is -99.783699035645 / 35.685699462891). For your convenience we have also indicated if that zip code in Roger Mills County observes Daylight Savings time.