Below is a list of Gould OK zip codes. For your research we have also included Gould Area Code, Time Zone, UTC and the local Harmon County FIPS Code. Each Gould Oklahoma zip code has a center Longitude / Latitude point (the Gould center is -99.771301269531 / 34.670799255371). For your convenience we have also indicated if that zip code in Gould observes Daylight Savings time.