Smithfield, North Carolina Area Code
Smithfield, NC is officially utilizing an area code overlay in which area codes 919 and 984 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Smithfield, NC area code information read more about area codes 919 and 984 details and North Carolina area codes.
Smithfield, NC is located in Johnston County and observes the Eastern Time Zone. View our Times by Area Code tool.