| Official Zip Code Name | Preston |
| Zip Code State | Maryland |
| Primary County: | Caroline |
| Area Code | 410 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 47 ft. |
| Area | 52.72 Sqm. |
| Coordinates(Y,X) | 38.751646, -75.925658 |