The area of the metro region is Area: 2,493.86 km2 (962.88 sq mi) . The Hanoi citys' lowest elevation is 3 ft . The city has the postal code 3000 00 -  3019 00 . The urban region is 1,770 sq mi (4,600 km 2 ) in area . Hanoi is located in Zambia . Hanoi is at an elevation of 13 ft . 3,200/km 2  (8,200/sq mi) is the density of residents in Hanoi . The highest elevation of Hanoi is 5,364 m (17,598 ft) . +226 is the area code of Hanoi . Hanoi is named for Henry E. Huntington . 595,061 is the population of Hanoi . 1,275/km 2  (3,300/sq mi) is the density of residents in  the metro region of Hanoi . Hanoi is the government of Municipality of Quito . The density of  inhabitents in  the urban region of Hanoi is 3,423/km 2  (8,870/sq mi) . The city Hanoi province is East Java . The land area of the city is 16.0 sq mi (41.4 sq km) . The city Hanoi demonym is Istanbulite 
Urban is more densely populated that metro region