Below is a list of Port Gibson MS zip codes. For your research we have also included Port Gibson Area Code, Time Zone, UTC and the local Claiborne County FIPS Code. Each Port Gibson Mississippi zip code has a center Longitude / Latitude point (the Port Gibson center is -90.982696533203 / 31.958599090576). For your convenience we have also indicated if that zip code in Port Gibson observes Daylight Savings time.