Mont Alto PA ZIP Code
Mont Alto city is located in Pennsylvania State, Franklin County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Mont Alto PA zip code by its streets and block numbers if we have some of the Mont Alto streets loaded in our website
Mont Alto Area Code is 717 and Time Zone is Eastern (GMT -05:00).
Mont Alto Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Mont Alto City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Mont Alto ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Mont Alto, Pennsylvania.
The Mont Alto Zip Code is 17237.
If you want to send a mail to Mont Alto City, you should use the 17237 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Mont Alto 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 17237 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mont Alto 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.