15530 -- U.S. ZIP code Municipality (1990): BERLIN, Pennsylvania All ZIPs for this municipality (1990): 15530 Population (2000): 7075 Housing Units (2000): 2190 Land area (2000): 91.477059 sq. miles (236.924484 sq. km) Water area (2000): 0.036649 sq. miles (0.094921 sq. km) Total area (2000): 91.513708 sq. miles (237.019405 sq. km) Located within: Pennsylvania (PA) Location: 39.937504 N, 78.941832 W