Washington PA ZIP Code
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Washington city is located in Pennsylvania State, Washington County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Washington PA zip code by its streets and block numbers if we have some of the Washington streets loaded in our website
Washington Area Code is 724/412 and Time Zone is Eastern (GMT -05:00).
Washington Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Washington City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Washington ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Washington, Pennsylvania.
The Washington Zip Code is 15301.
If you want to send a mail to Washington City, you should use the 15301 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Washington 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 15301 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Washington 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.