63023 -- U.S. ZIP code Municipality (1990): DITTMER, Missouri All ZIPs for this municipality (1990): 63023 Population (2000): 5253 Housing Units (2000): 2095 Land area (2000): 62.420275 sq. miles (161.667764 sq. km) Water area (2000): 0.138316 sq. miles (0.358238 sq. km) Total area (2000): 62.558591 sq. miles (162.026002 sq. km) Located within: Missouri (MO) Location: 38.280328 N, 90.705199 W