Below is a list of Little Rock IA zip codes. For your research we have also included Little Rock Area Code, Time Zone, UTC and the local Lyon County FIPS Code. Each Little Rock Iowa zip code has a center Longitude / Latitude point (the Little Rock center is -95.880401611328 / 43.444999694824). For your convenience we have also indicated if that zip code in Little Rock observes Daylight Savings time.