| Official Zip Code Name | Erwin |
| Zip Code State | Tennessee |
| Primary County: | Unicoi |
| Area Code | 423 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 2309 ft. |
| Area | 96.973 Sqm. |
| Coordinates(Y,X) | 36.091722, -82.471126 |