Chengdu is at an elevation of 2850 m . The postal code of the city is 130000 . The coordinates of the city are 35°41′49″N 0°37′59″W﻿ / ﻿35.69694°N 0.63306°W . The city land area is 5.39 sq mi (13.96 km 2 ) . Chengdu is the government of U.S. National Park Service . Area: 619 km2 (239 sq mi) is the area of the city namedChengdu . The density of  people in Chengdu is 12,510/km 2  (32,400/sq mi) . The Chengdu citys' lowest elevation is 2 m  . The area of the urban region is 227.70 km 2  (87.92 sq mi) .  The city area code is 9 . Chengdu is located in United States . Maung Maung Soe is the mayor of Chengdu . Chengdu is named for Confluence of Grand River and Gunnison River . The water area of the city is 0.49 sq mi (1.27 km 2 ) . The city was incorporated in 1900 . The city Chengdu demonym is Tianjinese , Tianjiner . The density of  people in  the urban region of Chengdu is 7,500/km 2  (19,000/sq mi) . The population of the metro region is 4,005,015 . The highest elevation of Chengdu is 14,110 ft (4,300 m) . The city province is Alberta
The zip code of the city Chengdu is 130000