Larchwood IA ZIP Code
Larchwood city is located in Iowa State, Lyon County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Larchwood IA zip code by its streets and block numbers if we have some of the Larchwood streets loaded in our website
Larchwood Area Code is 712 and Time Zone is Central (GMT -06:00).
Larchwood Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Larchwood City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Larchwood ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Larchwood, Iowa.
The Larchwood Zip Code is 51241.
If you want to send a mail to Larchwood City, you should use the 51241 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Larchwood 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 51241 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Larchwood 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.