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  2. What is the zip code of Allentown, PA, 18103

Allentown (PA) Zip Code is 18103 Latest Details Feb, 2025

Updated: 05-02-2025

Allentown (PA) zip Code is 18103, Postal Code details. Allentown is located in state PA, United States.

Find Zip Code 18103 Details

ZIP code 18103 is located in Allentown PA in the United States.

Postal Code United States Zip Code 18103 Latest update Allentown, PA
Zip Code / Postal Code 18103

City

Allentown

State Code

PA

County

Lehigh, United States

Postal Locations

Allentown, PA - Zip Code is - 18103

Postal

United States Postal Service USPS Link

Delivery Type

Package Delivery and first class mail.

The zip code 18103 is an essential part of the postal system in Allentown, PA. Located in a vibrant part of the city, this zip code covers a variety of neighborhoods, offering residents and businesses a unique blend of suburban comfort and urban convenience. Whether you're looking to send mail, relocate, or simply learn more about the area, Allentown has a lot to offer.

FAQ about Zip Code 18103, Allentown, (PA)

What is Zip code Allentown?

Allentown Zip Code: 18103, used by the Allentown Post Office and USPS, is a Zone Improvement Plan code that ensures faster, accurate mail delivery in Lehigh, PA. Represented by the American Postal Workers Union (APWU), USPS oversees postal operations.

What is Postal code of area Allentown?

Allentown Postal Code is: 18103

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