ZIP Code 03589
Mount Washington, New Hampshire · Coos County
No1150
Zip03589
TypePO BOX
Decommissioned0
Primary CityMount Washington
Acceptable CitiesMt Washington
Unacceptable Cities—
StateNH
LstateNew Hampshire
CountyCoos County
TimezoneAmerica/New_York
Area Codes603
World RegionNA
CountryUS
Latitude44,27
Longitude-71,3