Mississippi is located in the southern part of the United States, close to the Gulf of Mexico. The state has a land area of 123,584 square kilometers and a population of about 3.11 million. The capital is Jackson, and it is also the largest city in the state. Other important Mississippi cities are: Biloxi, Meridian, Hattiesburg, Greenville, Gulfport, Vicksburg (Vicksburg). Agriculture and industry are relatively developed in Mississippi. Transportation is also very convenient, with the most developed highway system in the southern United States. The main airports are: Jackson Eworth International Airport, Gulfport-Biloxi Regional Airport, Memphis International Airport and New Orleans International Airport. Due to its proximity to the Gulf of Mexico, shipping is also good, with a large number of ports. The area code for Mississippi is 228 - 601 - 662, and the abbreviated ZIP code is MS. Among them, Jackson's zip code is 39201, and Meridian's zip code is 39301.