ZIP Code
ZIP Code 18103
Allentown, Lehigh County, Pennsylvania PA
Population
48,746
Density
1,096.9/sq mi
Timezone
America/New_York
Safety Score
50
50
Average
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Overview
ZIP code 18103 is located in Allentown, Lehigh County, Pennsylvania. The area has a population of approximately 48,746 residents with a population density of 1,096.9 per square mile. It is in the America/New_York timezone.
Nearby ZIP Codes
18101 (Allentown, PA)2.2 mi18102 (Allentown, PA)2.5 mi18049 (Emmaus, PA)3.8 mi18034 (Center Valley, PA)4 mi18104 (Allentown, PA)4.4 mi18046 (East Texas, PA)4.5 mi18109 (Allentown, PA)4.9 mi18018 (Bethlehem, PA)5.9 mi18032 (Catasauqua, PA)5.9 mi18052 (Whitehall, PA)6 mi18106 (Allentown, PA)6 mi18015 (Bethlehem, PA)6.1 mi