Below is a list of Hollister OK zip codes. For your research we have also included Hollister Area Code, Time Zone, UTC and the local Tillman County FIPS Code. Each Hollister Oklahoma zip code has a center Longitude / Latitude point (the Hollister center is -98.871398925781 / 34.341201782227). For your convenience we have also indicated if that zip code in Hollister observes Daylight Savings time.