Below is a list of Prairie Grove AR zip codes. For your research we have also included Prairie Grove Area Code, Time Zone, UTC and the local Washington County FIPS Code. Each Prairie Grove Arkansas zip code has a center Longitude / Latitude point (the Prairie Grove center is -94.3175 / 35.9772). For your convenience we have also indicated if that zip code in Prairie Grove observes Daylight Savings time. For more information on Prairie Grove Arkansas you will find helpful business links and searches.