Holstein IA ZIP Code
Holstein city is located in Iowa State, Ida County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Holstein IA zip code by its streets and block numbers if we have some of the Holstein streets loaded in our website
Holstein Area Code is 712 and Time Zone is Central (GMT -06:00).
Holstein Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Holstein City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Holstein ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Holstein, Iowa.
The Holstein Zip Code is 51025.
If you want to send a mail to Holstein City, you should use the 51025 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Holstein 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 51025 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Holstein 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.