'Mountain Lakes' definitions:

Mountain Lakes, NJ -- U.S. borough in New Jersey

From: Gazetteer 2000
Name :
Mountain Lakes, NJ -- U.S. borough in New Jersey
Population (2000) :
4256
Housing Units (2000) :
1357
Land area (2000) :
2.671633 sq. miles (6.919498 sq. km)
Water area (2000) :
0.220658 sq. miles (0.571501 sq. km)
Total area (2000) :
2.892291 sq. miles (7.490999 sq. km)
FIPS code :
48480
Located within :
New Jersey (NJ), FIPS 34
Location :
40.887349 N, 74.440819 W
ZIP Codes (1990) :
07046
Note :
some ZIP codes may be omitted esp. for suburbs.