St. Joseph County Area Codes

About St. Joseph County Area Codes

The county of St. Joseph County, located in Indiana, is served by 1 telephone area code(s) in this dataset. These calling codes cover cities, suburbs, and unincorporated communities across the county.

Major phone area codes used in St. Joseph County include 574. The county primarily uses the America/Indiana/Indianapolis time zone, with some phone routing referencing additional zones such as America/Detroit.

Cities and towns served by these area codes in St. Joseph County include Granger, Mishawaka, South Bend.

List of Area Codes in St. Joseph County, Indiana

The table below lists all telephone area codes used in St. Joseph County, Indiana, along with their associated cities and time zones from this dataset.

Related Area Code Pages

Explore related area code resources on Burning Compass:

• All area codes in Indiana
• Individual area code details are available from the table above.