The urban region has Population (2006) : 3,550,000 population . Cagayan de Oro is at an elevation of 0.9 m . The area of the city is Area : 499 km2 (193 sq mi) . Cagayan de Oro is the government of National Park Service . This city is named after Cartagena, Spain . The mayor of Cagayan de Oro is Faud al Muhammed Sisi . The city has the postal code 21500 . Cagayan de Oro is located in Angkor, Siem Reap, Cambodia . +966-12 is the area code of Cagayan de Oro . The coordinates of the city are 59°20′17″N 018°04′20″E﻿ / ﻿59.33806°N 18.07222°E﻿ / 59.33806; 18.07222 . 662.1/km 2  (1,715/sq mi) is the density of inhabitents in  the metro region of Cagayan de Oro . The density of  residents in  the urban region of Cagayan de Oro is 2,305/km 2  (5,970/sq mi) . The water area of the city is 3.73 sq mi (9.67 km 2 ) . The lowest elevation of Cagayan de Oro is 0 ft . The density of  residents in Cagayan de Oro is 985.13/km 2  (2,551.5/sq mi) . The highest elevation of Cagayan de Oro is 14,110 ft (4,300 m) . The population of the metro region is Population: 3,743,854 (6th) (2012) . The city province is Oran Province . On 1871 (Huntington) the city was incorporated . The land area of the city is 225.73 sq km  (87.15 sq mi) . The city Cagayan de Oro demonym is Tbilisian , Tbilisite
Official address of residents of the city Cagayan de Oro has zip code 3000 00 -  3019 00