Below is a list of Texarkana AR zip codes. For your research we have also included Texarkana Area Code, Time Zone, UTC and the local Miller County FIPS Code. Each Texarkana Arkansas zip code has a center Longitude / Latitude point (the Texarkana center is -94.0195 / 33.4387). For your convenience we have also indicated if that zip code in Texarkana observes Daylight Savings time. For more information on Texarkana Arkansas you will find helpful business links and searches.