Duncombe IA ZIP Code
Duncombe city is located in Iowa State, Webster County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Duncombe IA zip code by its streets and block numbers if we have some of the Duncombe streets loaded in our website
Duncombe Area Code is 515 and Time Zone is Central (GMT -06:00).
Duncombe Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Duncombe City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Duncombe ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Duncombe, Iowa.
The Duncombe Zip Code is 50532.
If you want to send a mail to Duncombe City, you should use the 50532 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Duncombe 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 50532 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Duncombe 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.