🇺🇸 United States · Pennsylvania
Allentown ZIP codes
Allentown, Pennsylvania, has 8 ZIP codes, from 18101 to 18195. Which one applies depends on the street address.
- ZIP Codes
- 8
- Population
- 120,207
- State
- Pennsylvania
- Coordinates
- 40.6084, -75.4902
All Allentown ZIP codes
1810118102181031810418105181061810918195
No code matches.
Data: GeoNames (CC BY 4.0) and zipcodestack.
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Frequently asked questions
What is the zip code of Allentown?
Allentown has 8 ZIP codes in Pennsylvania. The right code depends on the street address; the list on this page shows all of them, starting with 18101.
How many ZIP codes does Allentown have?
Our data lists 8 ZIP codes for Allentown, United States.
How do I find the exact zip code for an address in Allentown?
Use the official postal service lookup or a geocoding API with the full street address. For software, the zipcodestack API returns city, region and coordinates for any zip code and can search codes by city or by radius.
Postal code API
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/v1/code/city documentation ZIP code API All documentation
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GET https://api.zipcodestack.com/v1/code/city?city=Allentown&country=us
{
"query": { "city": "Allentown", "country": "us" },
"results": ["18101", "…"]
}Free postal code tools
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