Below is a list of Laurel IA zip codes. For your research we have also included Laurel Area Code, Time Zone, UTC and the local Marshall County FIPS Code. Each Laurel Iowa zip code has a center Longitude / Latitude point (the Laurel center is -92.922302246094 / 41.884101867676). For your convenience we have also indicated if that zip code in Laurel observes Daylight Savings time.