- Official City of Marietta website
- Marietta (GA) on Wikipedia
- Marietta (Cobb County) GA Sales tax: 6.0% for local & mail-order shopping
- Marietta ZIP Codes: 30060 (Marietta Proper), 30062 & 30068 (East Cobb), 30067 (north Marietta & East Cobb), 30064 (West Cobb), 30008 (south Marietta)
- FMLS Zone: 73, 74, 81, 82, 83
- Official Cobb County website
- Cobb County (GA) on Wikipedia
- Official Cobb County School District website
- Official Cobb County Tax Commissioner website
- Official Cobb County Tax Assessors website
- Official Cobb County Library System website