Below is a list of Fort Gibson OK zip codes. For your research we have also included Fort Gibson Area Code, Time Zone, UTC and the local Muskogee County FIPS Code. Each Fort Gibson Oklahoma zip code has a center Longitude / Latitude point (the Fort Gibson center is -95.247001647949 / 35.784000396729). For your convenience we have also indicated if that zip code in Fort Gibson observes Daylight Savings time.