Below is a list of Big Flat AR zip codes. For your research we have also included Big Flat Area Code, Time Zone, UTC and the local Baxter County FIPS Code. Each Big Flat Arkansas zip code has a center Longitude / Latitude point (the Big Flat center is -92.3589 / 36.0329). For your convenience we have also indicated if that zip code in Big Flat observes Daylight Savings time. For more information on Big Flat Arkansas you will find helpful business links and searches.