Below is a list of Newhall IA zip codes. For your research we have also included Newhall Area Code, Time Zone, UTC and the local Benton County FIPS Code. Each Newhall Iowa zip code has a center Longitude / Latitude point (the Newhall center is -91.970100402832 / 41.992500305176). For your convenience we have also indicated if that zip code in Newhall observes Daylight Savings time.