Sigourney IA ZIP Code
Sigourney city is located in Iowa State, Keokuk County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Sigourney IA zip code by its streets and block numbers if we have some of the Sigourney streets loaded in our website
Sigourney Area Code is 641 and Time Zone is Central (GMT -06:00).
Sigourney Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Sigourney City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Sigourney ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Sigourney, Iowa.
The Sigourney Zip Code is 52591.
If you want to send a mail to Sigourney City, you should use the 52591 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Sigourney 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 52591 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Sigourney 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.