Saint John, Indiana Area Code
Saint John, IN Area Codes are
Saint John, IN is officially utilizing one area code which is area code 219.
In addition to Saint John, IN area code information read more about area code 219 details and Indiana area codes.
Saint John, IN is located in Lake County and observes the Central Time Zone.
View our Times by Area Code tool.
Area Codes Look Up By State and City
Area Codes Look Up in Surrounding Places