'Allentown, PA' definitions:

Allentown, PA -- U.S. city in Pennsylvania

From: Gazetteer 2000
Name :
Allentown, PA -- U.S. city in Pennsylvania
Population (2000) :
106632
Housing Units (2000) :
45960
Land area (2000) :
17.737958 sq. miles (45.941098 sq. km)
Water area (2000) :
0.236771 sq. miles (0.613233 sq. km)
Total area (2000) :
17.974729 sq. miles (46.554331 sq. km)
FIPS code :
02000
Located within :
Pennsylvania (PA), FIPS 42
Location :
40.601697 N, 75.477328 W
ZIP Codes (1990) :
18101 18102 18103 18104
Note :
some ZIP codes may be omitted esp. for suburbs.