Below is a list of Granite OK zip codes. For your research we have also included Granite Area Code, Time Zone, UTC and the local Greer County FIPS Code. Each Granite Oklahoma zip code has a center Longitude / Latitude point (the Granite center is -99.378196716309 / 34.962299346924). For your convenience we have also indicated if that zip code in Granite observes Daylight Savings time.