Below is a list of Heavener OK zip codes. For your research we have also included Heavener Area Code, Time Zone, UTC and the local Le Flore County FIPS Code. Each Heavener Oklahoma zip code has a center Longitude / Latitude point (the Heavener center is -94.607696533203 / 34.895000457764). For your convenience we have also indicated if that zip code in Heavener observes Daylight Savings time.