Cobb County, Georgia

19 ZIP codes · 339.69 sq mi of land · FIPS 13067

Population	775,208
State	Georgia
FIPS code	13067
Time zone	Eastern
Land area	339.69 sq mi
Center (lat, long)	33.9399, -84.5741

Area codes in this area

404 470 678 770

These are the area codes that most often serve Cobb County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Cities and towns (largest first)

Atlanta · 505,268 Mableton · 77,678 Marietta · 62,263 Smyrna · 56,633 Kennesaw · 34,605 Acworth · 22,473 Powder Springs · 18,009AustellClarkdale

ZIP codes in Cobb County

30008 Marietta 30060 Marietta 30062 Marietta 30064 Marietta 30066 Marietta 30067 Marietta 30068 Marietta 30080 Smyrna 30082 Smyrna 30090 Marietta 30101 Acworth 30106 Austell 30111 Clarkdale 30126 Mableton 30127 Powder Springs 30144 Kennesaw 30152 Kennesaw 30168 Austell 30339 Atlanta

Population: U.S. Census Bureau, ACS 5-year estimates, 2024.