Duncansville PA ZIP Code
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Duncansville city is located in Pennsylvania State, Blair County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Duncansville PA zip code by its streets and block numbers if we have some of the Duncansville streets loaded in our website
Duncansville Area Code is 814 and Time Zone is Eastern (GMT -05:00).
Duncansville Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Duncansville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Duncansville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Duncansville, Pennsylvania.
The Duncansville Zip Code is 16635.
If you want to send a mail to Duncansville City, you should use the 16635 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Duncansville ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 16635 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Duncansville city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Pennsylvania.