New york City is located at the mouth of the Hudson River in southeastern new york, about between Washington, D.C. and Boston. Adjacent to the Hudson River, new york enjoys the convenience of shipping, making it rapidly develop into a trade center. Most of new york City is located in Manhattan, Staten Island and Long Island. Due to the narrow land, the population density is high.
The whole area of new york is about 12 14 square kilometers (468.9 square miles), of which 425 square kilometers (164. 1 square miles) are waters and 789 square kilometers (304.8 square miles) are land.
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In the U.S. Postal Code, ZIP is usually written in print. ZIP is the abbreviation of Zone Improvement Plan, which means that mail can be delivered to the destination more efficiently and quickly.
The most basic postal code includes five digits, and then four digits are added, so that the mail can be delivered to the destination more accurately. The postal code after adding the number is called "ZIP+4". Postal code was once registered as a trademark in us postal service, but its registration has expired.
References:
Baidu Encyclopedia _ US Postal Code
References:
Baidu encyclopedia _ new york