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U.S. ZIP Code 18109
5-digit United States postal code #18109, Allentown, PA
ZIP code 18109 is located in the city (place name) Allentown, сounty Lehigh in the state of Pennsylvania. The population in ZIP code 18109 is 16932 and the population density is 797.6. ZIP code 18109 refers to сounty Lehigh having сounty FIPS 42077, the ratio of people from different counties in this ZIP code is as follows: all county weights - 42077: 98.78%, 42095: 1.22%. In the area of the ZIP code 18109 valid time zone America/New_York.
Place Name: Allentown
State Abbreviation: PA
Coordinates: 40° 38' 11.76" N, 75° 26' 25.692" W
Time zone: America/New_York
County FIPS: 42077
All county weights: 42077: 98.78%, 42095: 1.22%
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Using degrees Fahrenheit for forecast. Weather courtesy of forecast.io.