Purchase, New York is a hamlet of the town of Harrison, in Westchester County. Its ZIP code is 10577. Its name is derived from Harrison's purchase, for Harrison could have as much land as he could ride in one day.Purchase is home to a number of corporate headquarters including PepsiCo, MasterCard, Central National-Gottesman and Atlas Air Inc.. Morgan Stanley has a large office in Purchase which serves as the headquarters for its commodities trading and wealth management businesses, as well as a backup site for the firm's Manhattan employees.

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