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18103
Allentown, Pennsylvania
Lehigh · 🇺🇸 United States
ZIP Code
Population
48,746
Density/mi²
1,096
Complete ZIP Code Details
ZIP Code18103
CityAllentown
StatePennsylvania (PA)
CountyLehigh
TimezoneAmerica/New_York
Coordinates40.5722300, -75.4813800
Population48,746
ZIP TypeSTANDARD
CountryUnited States