Below is a list of Duplin County NC zip codes. For your research we have also included Duplin County Area Code, Time Zone, UTC and the local County FIPS Code. Each Duplin County North Carolina zip code has a center Longitude / Latitude point (the Duplin County center is -77.96720123291 / 34.921100616455). For your convenience we have also indicated if that zip code in Duplin County observes Daylight Savings time.