Oak Ridge PA ZIP Code
Oak Ridge city is located in Pennsylvania State, Armstrong County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Oak Ridge PA zip code by its streets and block numbers if we have some of the Oak Ridge streets loaded in our website
Oak Ridge Area Code is 724 and Time Zone is Eastern (GMT -05:00).
Oak Ridge Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Oak Ridge City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Oak Ridge ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Oak Ridge, Pennsylvania.
The Oak Ridge Zip Code is 16245.
If you want to send a mail to Oak Ridge City, you should use the 16245 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Oak Ridge 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 16245 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Oak Ridge 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.