Are you really so lazy the you couldn't type New York City in the search box? NYC is the code used to abbreviate New York City, created mainly for lazy people (like you) and people who try and write in tiny boxes
NYC was first widely used by the Americans with Laziness foundation, who used it to make teaching disabled children easier. After time magazine used the letters in a article, the shortening really blew up. Now it is Used on Tee shirts and in airport changing screens.