Below is a list of Royal AR zip codes. For your research we have also included Royal Area Code, Time Zone, UTC and the local Garland County FIPS Code. Each Royal Arkansas zip code has a center Longitude / Latitude point (the Royal center is -93.2985 / 34.5221). For your convenience we have also indicated if that zip code in Royal observes Daylight Savings time. For more information on Royal Arkansas you will find helpful business links and searches.