Garnavillo IA ZIP Code
Garnavillo city is located in Iowa State, Clayton County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Garnavillo IA zip code by its streets and block numbers if we have some of the Garnavillo streets loaded in our website
Garnavillo Area Code is 563 and Time Zone is Central (GMT -06:00).
Garnavillo Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Garnavillo City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Garnavillo ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Garnavillo, Iowa.
The Garnavillo Zip Code is 52049.
If you want to send a mail to Garnavillo City, you should use the 52049 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Garnavillo 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 52049 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Garnavillo 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.