Grundy Center IA ZIP Code
Grundy Center city is located in Iowa State, Grundy County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Grundy Center IA zip code by its streets and block numbers if we have some of the Grundy Center streets loaded in our website
Grundy Center Area Code is 319 and Time Zone is Central (GMT -06:00).
Grundy Center Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Grundy Center City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Grundy Center ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Grundy Center, Iowa.
The Grundy Center Zip Code is 50638.
If you want to send a mail to Grundy Center City, you should use the 50638 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Grundy Center 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 50638 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Grundy Center 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.