Below is a list of Carthage AR zip codes. For your research we have also included Carthage Area Code, Time Zone, UTC and the local Dallas County FIPS Code. Each Carthage Arkansas zip code has a center Longitude / Latitude point (the Carthage center is -92.6489 / 34.0489). For your convenience we have also indicated if that zip code in Carthage observes Daylight Savings time. For more information on Carthage Arkansas you will find helpful business links and searches.