Alexandria is at an elevation of 16 ft . (+20) 3 is the area code of Alexandria . The postal code of the city is 21500 . The coordinates of the city are  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E . The city Alexandria demonym is Alexandrian, Alexandrine (Arabic: إسكندراني‎) . The density of  residents in Alexandria is 1,900/km 2  (5,000/sq mi)
The people of the city Alexandria are also known as Alexandrian, Alexandrine (Arabic: إسكندراني‎)