Oslo, Minnesota Area Code
Oslo, MN Area Codes are
Oslo, MN is officially utilizing one area code which is area code 218.
In addition to Oslo, MN area code information read more about area code 218 details and Minnesota area codes.
Oslo, MN is located in Marshall County and observes the Central Time Zone.
View our Times by Area Code tool.
Select Any Minnesota City or Town Alphabetically
Area Codes Look Up By State and City
Area Codes Look Up in Surrounding Places