Below is a list of Waldo AR zip codes. For your research we have also included Waldo Area Code, Time Zone, UTC and the local Columbia County FIPS Code. Each Waldo Arkansas zip code has a center Longitude / Latitude point (the Waldo center is -93.295997619629 / 33.351398468018). For your convenience we have also indicated if that zip code in Waldo observes Daylight Savings time.