Maine is in the northeastern region of the United States, with a land area of 86,000 square kilometers and a population of 1.27 million. The state capital is Augusta. Maine's economy is dominated by manufacturing. Due to the large number of forests, the paper industry here is very developed, and there are markets for wood and leather. Secondly, farming and fishing are also good. The eastern part of Maine is close to the ocean, and there are many seaports here, and they are all excellent ones. Shipbuilding is also more traditional in the state, along with a few naval shipyards. Major cities are: Auburn, Augusta, Bangor, Bar Harbor, Kennebunkport, Lewiston, Old Orchid Beach (Old Orchard Beach), Orono (city of the University of Maine), Portland, South Portland, etc. Maine's abbreviated zip code is ME and the area code is 207. The zip codes for major cities are Augusta, 04330, 04332, 04333, 04336, 04338; Portland, 04101, 04102, 04103, 04104, 04109, 04112, 04122, 04123 , 04124.