'Fairfield, NJ' definitions:

Fairfield, NJ -- U.S. Census Designated Place in New Jersey

From: Gazetteer 2000
Name :
Fairfield, NJ -- U.S. Census Designated Place in New Jersey
Population (2000) :
7063
Housing Units (2000) :
2326
Land area (2000) :
10.451745 sq. miles (27.069895 sq. km)
Water area (2000) :
0.001229 sq. miles (0.003183 sq. km)
Total area (2000) :
10.452974 sq. miles (27.073078 sq. km)
FIPS code :
22380
Located within :
New Jersey (NJ), FIPS 34
Location :
40.879049 N, 74.293781 W
ZIP Codes (1990) :
07004
Note :
some ZIP codes may be omitted esp. for suburbs.