Below is a list of North Smithfield RI zip codes. For your research we have also included North Smithfield Area Code, Time Zone, UTC and the local Providence County FIPS Code. Each North Smithfield Rhode Island zip code has a center Longitude / Latitude point (the North Smithfield center is -71.545097351074 / 41.974498748779). For your convenience we have also indicated if that zip code in North Smithfield observes Daylight Savings time.