Below is a list of Diamond City AR zip codes. For your research we have also included Diamond City Area Code, Time Zone, UTC and the local Boone County FIPS Code. Each Diamond City Arkansas zip code has a center Longitude / Latitude point (the Diamond City center is -92.92 / 36.4644). For your convenience we have also indicated if that zip code in Diamond City observes Daylight Savings time. For more information on Diamond City Arkansas you will find helpful business links and searches.