Gladbrook IA ZIP Code
Gladbrook city is located in Iowa State, Tama County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Gladbrook IA zip code by its streets and block numbers if we have some of the Gladbrook streets loaded in our website
Gladbrook Area Code is 641 and Time Zone is Central (GMT -06:00).
Gladbrook Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Gladbrook City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Gladbrook ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Gladbrook, Iowa.
The Gladbrook Zip Code is 50635.
If you want to send a mail to Gladbrook City, you should use the 50635 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Gladbrook 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 50635 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Gladbrook 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.