| Official Zip Code Name | Castalia |
| Zip Code State | North Carolina |
| Primary County: | Nash |
| Area Code | 252 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 218 ft. |
| Area | 65.02 Sqm. |
| Coordinates(Y,X) | 36.109878, -78.081243 |