Below is a list of Arkadelphia AR zip codes. For your research we have also included Arkadelphia Area Code, Time Zone, UTC and the local Clark County FIPS Code. Each Arkadelphia Arkansas zip code has a center Longitude / Latitude point (the Arkadelphia center is -93.073799133301 / 34.123100280762). For your convenience we have also indicated if that zip code in Arkadelphia observes Daylight Savings time.