Iona ID ZIP Code
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Iona city is located in Idaho State, Bonneville County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Iona ID zip code by its streets and block numbers if we have some of the Iona streets loaded in our website
Iona Area Code is 208 and Time Zone is Mountain (GMT -07:00).
Iona Zip Code - Idaho
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Iona City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Iona ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Iona, Idaho.
The Iona Zip Code is 83427.
If you want to send a mail to Iona City, you should use the 83427 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Iona 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 83427 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Iona 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.