Zoning Improvement Plan codes range from 11511 to 11668 in Cairo, Egypt. Every city in Egypt has several different ZIP codes. The digits in the ZIP code signify the region, the province and the postal office serving the area.
Cairo is Egypt's capital and its largest city. It ranks second in size among African cities after Lagos, Nigeria. Cairo is also the largest city in the Middle East region. The city began in 969 A.D. and is known for forming an integral part of the ancient Egyptian empire. As of 2014, Cairo is home to approximately 6.75 million people and comprises roughly 175 square miles. In 2011, more than two million protesters gathered in Cairo's Tahrir Square to protest against Hosni Mubarak, who was president of Egypt at the time.