Dunlap IA ZIP Code
Dunlap city is located in Iowa State, Harrison County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Dunlap IA zip code by its streets and block numbers if we have some of the Dunlap streets loaded in our website
Dunlap Area Code is 712 and Time Zone is Central (GMT -06:00).
Dunlap Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dunlap City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dunlap ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dunlap, Iowa.
The Dunlap Zip Code is 51529.
If you want to send a mail to Dunlap City, you should use the 51529 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Dunlap 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 51529 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dunlap 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.