Harlan IA ZIP Code
Harlan city is located in Iowa State, Shelby County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Harlan IA zip code by its streets and block numbers if we have some of the Harlan streets loaded in our website
Harlan Area Code is 712 and Time Zone is Central (GMT -06:00).
Harlan Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Harlan City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Harlan ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Harlan, Iowa.
The Harlan Zip Code is 51537, 51593.
If you want to send a mail to Harlan City, you should use the 51537, 51593 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Harlan 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 51537, 51593 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Harlan 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.