| Official Zip Code Name | Mount Washington |
| Zip Code State | New Hampshire |
| Primary County: | Coos |
| Area Code | 603 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 4704 ft. |
| Area | 0 Sqm. |
| Coordinates(Y,X) | 44.285464, -71.297867 |