Below is a list of Garvin County OK zip codes. For your research we have also included Garvin County Area Code, Time Zone, UTC and the local County FIPS Code. Each Garvin County Oklahoma zip code has a center Longitude / Latitude point (the Garvin County center is -97.287101745605 / 34.756801605225). For your convenience we have also indicated if that zip code in Garvin County observes Daylight Savings time.