Porthill ID ZIP Code
Porthill city is located in Idaho State, Boundary County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Porthill ID zip code by its streets and block numbers if we have some of the Porthill streets loaded in our website
Porthill Area Code is 208 and Time Zone is Pacific (GMT -08:00).
Porthill Zip Code - Idaho
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Porthill City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Porthill ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Porthill, Idaho.
The Porthill Zip Code is 83853.
If you want to send a mail to Porthill City, you should use the 83853 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Porthill 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 83853 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Porthill 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 Idaho.