| Official Zip Code Name | Callahan |
| Zip Code State | Florida |
| Primary County: | Nassau |
| Area Code | 904 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 14 ft. |
| Area | 168.529 Sqm. |
| Coordinates(Y,X) | 30.581655, -81.813698 |