Oakmont PA ZIP Code
Oakmont city is located in Pennsylvania State, Allegheny County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Oakmont PA zip code by its streets and block numbers if we have some of the Oakmont streets loaded in our website
Oakmont Area Code is 412 and Time Zone is Eastern (GMT -05:00).
Oakmont Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Oakmont City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Oakmont ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Oakmont, Pennsylvania.
The Oakmont Zip Code is 15139.
If you want to send a mail to Oakmont City, you should use the 15139 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Oakmont 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 15139 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Oakmont 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.