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  2. What is the zip code of Duncannon, PA, 17020

Duncannon (PA) Zip Code is 17020 Latest Details Aug, 2025

Updated: 26-08-2025

Duncannon (PA) zip Code is 17020, Postal Code details. Duncannon is located in state PA, United States.

Find Zip Code 17020 Details

ZIP code 17020 is located in Duncannon PA in the United States.

Postal Code United States Zip Code 17020 Latest update Duncannon, PA
Zip Code / Postal Code 17020

City

Duncannon

State Code

PA

County

Dauphin, United States

Postal Locations

Duncannon, PA - Zip Code is - 17020

Postal

United States Postal Service USPS Link

Delivery Type

Package Delivery and first class mail.

The zip code 17020 is an essential part of the postal system in Duncannon, 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, Duncannon has a lot to offer.

FAQ about Zip Code 17020, Duncannon, (PA)

What is Zip code Duncannon?

Duncannon Zip Code: 17020, used by the Duncannon Post Office and USPS, is a Zone Improvement Plan code that ensures faster, accurate mail delivery in Dauphin, PA. Represented by the American Postal Workers Union (APWU), USPS oversees postal operations.

What is Postal code of area Duncannon?

Duncannon Postal Code is: 17020

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