Below is a list of Black Oak AR zip codes. For your research we have also included Black Oak Area Code, Time Zone, UTC and the local Craighead County FIPS Code. Each Black Oak Arkansas zip code has a center Longitude / Latitude point (the Black Oak center is -90.36799621582 / 35.837200164795). For your convenience we have also indicated if that zip code in Black Oak observes Daylight Savings time.