Below is a list of Harrisville MS zip codes. For your research we have also included Harrisville Area Code, Time Zone, UTC and the local Simpson County FIPS Code. Each Harrisville Mississippi zip code has a center Longitude / Latitude point (the Harrisville center is -90.078002929688 / 31.972200393677). For your convenience we have also indicated if that zip code in Harrisville observes Daylight Savings time.