Below is a list of Siloam Springs AR zip codes. For your research we have also included Siloam Springs Area Code, Time Zone, UTC and the local Benton County FIPS Code. Each Siloam Springs Arkansas zip code has a center Longitude / Latitude point (the Siloam Springs center is -94.5403 / 36.1819). For your convenience we have also indicated if that zip code in Siloam Springs observes Daylight Savings time. For more information on Siloam Springs Arkansas you will find helpful business links and searches.