| Official Zip Code Name | Fairfield |
| Zip Code State | Texas |
| Primary County: | Freestone |
| Area Code | 903/430 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 6 |
| Elevation Range | 413 ft. |
| Area | 267.501 Sqm. |
| Coordinates(Y,X) | 31.813055, -96.105003 |