North Dakota (State of North Dakota) is located in the Midwest region of the United States, with a land area of 183,022 square kilometers and a population of about 630,000. It is an obviously sparsely populated state. The state's capital is Bismarck, named after German Prime Minister Bismarck. North Dakota's economy is not developed. Because about half of the land is plain, agriculture is mainly developed here, and industry is not developed. Animal husbandry is also more developed, mainly to raise cattle. The main airport is Bismarck International Airport in the capital Bismarck, and other major cities are Fargo. The abbreviated zip code of North Dakota is ND, and the zip codes of major cities are as follows: Bismark (Bismark) zip code is 58501-58507, Fargo (Fargo) zip code is 58102~58109, 58121~58126.