Smithfield, RI is currently using only one area code which is area code 401. Area code 401 covers the entire state of Rhode Island and was established in 1947.
In addition to Smithfield, RI area code 401 serves the larger communities of Bristol, Cranston, East Providence, Newport, North Providence, Pawtucket, Providence, Warwick, West Warwick, Woonsocket in addition to many smaller communities throughout Rhode Island.
Smithfield, RI is located in Providence County and observes the Eastern Time Zone. View our Times by Area Code tool.