31405 -- U.S. ZIP code Municipality (1990): SAVANNAH, Georgia All ZIPs for this municipality (1990): 31401 31405 31406 31409 31410 31411 Population (2000): 32887 Housing Units (2000): 13276 Land area (2000): 35.590002 sq. miles (92.177677 sq. km) Water area (2000): 0.018167 sq. miles (0.047053 sq. km) Total area (2000): 35.608169 sq. miles (92.224730 sq. km) Located within: Georgia (GA) Location: 32.043058 N, 81.121833 W