Below is a list of Huntsville AR zip codes. For your research we have also included Huntsville Area Code, Time Zone, UTC and the local Madison County FIPS Code. Each Huntsville Arkansas zip code has a center Longitude / Latitude point (the Huntsville center is -93.735000610352 / 36.087398529053). For your convenience we have also indicated if that zip code in Huntsville observes Daylight Savings time.