The urban region has Population (2011): 2,440,000  population . Pedrito Tomas Pereira Caballero is the mayor of Calgary . The city has the postal code 130000 . The water area of the city is 2.52 sq mi (6.53 sq km ) . The metro region has 4,291,577 (3rd)(population of the Federal District) population . The Calgary citys' lowest elevation is 1,240 ft . +55 (41) is the area code of Calgary . The city land area is 8.13 sq mi (21.06 km 2 ) . The density of  people in Calgary is 5,200/km 2  (13,000/sq mi) . 25°18′45″N 80°41′15″W﻿ / ﻿25.3125000°N 80.6875000°W﻿ / 25.3125000; -80.6875000 are the coordinates of the city. . On 1871-11-04 the city was incorporated . Calgary is named for Rao Jodha . The Calgary city highest elevation is 424 m (1,391 ft) . The city province is Luanda . Calgary is the government of National Park Service . The density of  people in  the metro region of Calgary is 2,500/km 2  (6,600/sq mi) . Calgary is at an elevation of 3 ft . Calgary is located in Republic of the Congo . The city is 319.03 sq mi (826.28 km 2 ) in area . 5,400/sq km  (14,000/sq mi) is the density of inhabitents in  the urban region of Calgary . The demonym of the city Calgary is Mashhadi, Mashadi, Mashdi (informal)
+55 (41) is a prefix required to call a number in Calgary