| Official Zip Code Name | Mass City |
| Zip Code State | Michigan |
| Primary County: | Ontonagon |
| Area Code | 906 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 1024 ft. |
| Area | 111.717 Sqm. |
| Coordinates(Y,X) | 46.687400, -89.025996 |