Below is a list of Okolona AR zip codes. For your research we have also included Okolona Area Code, Time Zone, UTC and the local Clark County FIPS Code. Each Okolona Arkansas zip code has a center Longitude / Latitude point (the Okolona center is -93.3131 / 34.0817). For your convenience we have also indicated if that zip code in Okolona observes Daylight Savings time. For more information on Okolona Arkansas you will find helpful business links and searches.