Below is a list of Greenland AR zip codes. For your research we have also included Greenland Area Code, Time Zone, UTC and the local Washington County FIPS Code. Each Greenland Arkansas zip code has a center Longitude / Latitude point (the Greenland center is -94.1751 / 35.9947). For your convenience we have also indicated if that zip code in Greenland observes Daylight Savings time. For more information on Greenland Arkansas you will find helpful business links and searches.