Mammoth PA ZIP Code
Mammoth city is located in Pennsylvania State, Westmoreland County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Mammoth PA zip code by its streets and block numbers if we have some of the Mammoth streets loaded in our website
Mammoth Area Code is 724 and Time Zone is Eastern (GMT -05:00).
Mammoth Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Mammoth City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Mammoth ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Mammoth, Pennsylvania.
The Mammoth Zip Code is 15664.
If you want to send a mail to Mammoth City, you should use the 15664 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Mammoth 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 15664 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mammoth 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.