Dunbar PA ZIP Code
Dunbar city is located in Pennsylvania State, Fayette County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Dunbar PA zip code by its streets and block numbers if we have some of the Dunbar streets loaded in our website
Dunbar Area Code is 724/412 and Time Zone is Eastern (GMT -05:00).
Dunbar Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dunbar City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dunbar ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dunbar, Pennsylvania.
The Dunbar Zip Code is 15431.
If you want to send a mail to Dunbar City, you should use the 15431 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Dunbar 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 15431 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dunbar 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.