63459 -- U.S. ZIP code Municipality (1990): NEW LONDON, Missouri All ZIPs for this municipality (1990): 63459 Population (2000): 3802 Housing Units (2000): 1601 Land area (2000): 136.778176 sq. miles (354.253835 sq. km) Water area (2000): 1.320022 sq. miles (3.418840 sq. km) Total area (2000): 138.098198 sq. miles (357.672675 sq. km) Located within: Missouri (MO) Location: 39.584889 N, 91.382583 W