Below is a list of Clinton OK zip codes. For your research we have also included Clinton Area Code, Time Zone, UTC and the local Custer County FIPS Code. Each Clinton Oklahoma zip code has a center Longitude / Latitude point (the Clinton center is -98.9701 / 35.5118). For your convenience we have also indicated if that zip code in Clinton observes Daylight Savings time. For more information on Clinton Oklahoma you will find helpful business links and searches.