Cobb County Area Codes

About Cobb County Area Codes

The county of Cobb County, located in Georgia, is served by 2 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 Cobb County include 678, 770. The county mainly follows the America/New_York time zone.

Cities and towns served by these area codes in Cobb County include Kennesaw, Mableton, Marietta, Smyrna.

List of Area Codes in Cobb County, Georgia

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


S.N. Area Code Cities Time Zone(s)
1 678 Kennesaw, Mableton, Marietta, Smyrna America/New_York
2 770 Kennesaw, Mableton, Marietta, Smyrna America/New_York


Related Area Code Pages

Explore related area code resources on Burning Compass:

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