03038 -- U.S. ZIP code Municipality (1990): DERRY, New Hampshire All ZIPs for this municipality (1990): 03038 Population (2000): 34109 Housing Units (2000): 12803 Land area (2000): 35.818571 sq. miles (92.769669 sq. km) Water area (2000): 0.875875 sq. miles (2.268505 sq. km) Total area (2000): 36.694446 sq. miles (95.038174 sq. km) Located within: New Hampshire (NH) Location: 42.886486 N, 71.300192 W