Hummelstown PA ZIP Code
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Hummelstown city is located in Pennsylvania State, Dauphin County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Hummelstown PA zip code by its streets and block numbers if we have some of the Hummelstown streets loaded in our website
Hummelstown Area Code is 717 and Time Zone is Eastern (GMT -05:00).
Hummelstown Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Hummelstown City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Hummelstown ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Hummelstown, Pennsylvania.
The Hummelstown Zip Code is 17036.
If you want to send a mail to Hummelstown City, you should use the 17036 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Hummelstown 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 17036 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Hummelstown 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.