Harpers Ferry IA ZIP Code
Harpers Ferry city is located in Iowa State, Allamakee County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Harpers Ferry IA zip code by its streets and block numbers if we have some of the Harpers Ferry streets loaded in our website
Harpers Ferry Area Code is 563 and Time Zone is Central (GMT -06:00).
Harpers Ferry Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Harpers Ferry City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Harpers Ferry ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Harpers Ferry, Iowa.
The Harpers Ferry Zip Code is 52146.
If you want to send a mail to Harpers Ferry City, you should use the 52146 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Harpers Ferry 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 52146 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Harpers Ferry 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.