Barnum IA ZIP Code
Barnum 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 Barnum IA zip code by its streets and block numbers if we have some of the Barnum streets loaded in our website
Barnum Area Code is 515 and Time Zone is Central (GMT -06:00).
Barnum Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Barnum City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Barnum ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Barnum, Iowa.
The Barnum Zip Code is 50518.
If you want to send a mail to Barnum City, you should use the 50518 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Barnum 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 50518 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Barnum 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.