| ZIP Code | 30090 |
| ZIP Code Name | Marietta |
| Primary County | Cobb County |
| ZIP Code Type | Standard |
| Area Code(s) | 470 / 678 / 770 / 943 |
| Current Time | EST |
30090 is a United States ZIP Code located in Marietta Georgia. Portions of 30090 are also in . 30090 is entirely within Cobb County. 30090 is within Metro Atlanta.
The current unemployment level in 30090 is 3.6%.| Coordinates | 33.95247269,-84.54904175 |
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| Region | Metro Atlanta |
| Metropolitan/Micropolitan Stat Area | Atlanta-Sandy Springs-Alpharetta, GA |
| Time Zone | Eastern Standard Time |
| IANA Timezone | America/New_York |
| Area | 0.01088278 Square Miles |
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| Georgia State House of Representatives Districts in 30090 |
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| High Schools in 30090 |