Dauphin PA ZIP Code
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Dauphin 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 Dauphin PA zip code by its streets and block numbers if we have some of the Dauphin streets loaded in our website
Dauphin Area Code is 717 and Time Zone is Eastern (GMT -05:00).
Dauphin Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dauphin City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dauphin ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dauphin, Pennsylvania.
The Dauphin Zip Code is 17018.
If you want to send a mail to Dauphin City, you should use the 17018 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Dauphin 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 17018 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dauphin 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.