Okoboji IA ZIP Code
Okoboji city is located in Iowa State, Dickinson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Okoboji IA zip code by its streets and block numbers if we have some of the Okoboji streets loaded in our website
Okoboji Area Code is 712 and Time Zone is Central (GMT -06:00).
Okoboji Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Okoboji City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Okoboji ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Okoboji, Iowa.
The Okoboji Zip Code is 51355.
If you want to send a mail to Okoboji City, you should use the 51355 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Okoboji 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 51355 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Okoboji 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 Iowa.