La Harpe IL ZIP Code
La Harpe city is located in Illinois State, Hancock County and has a unique zip code assigned by the US Postal Service Office.
You can search for the La Harpe IL zip code by its streets and block numbers if we have some of the La Harpe streets loaded in our website
La Harpe Area Code is 217 and Time Zone is Central (GMT -06:00).
La Harpe Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the La Harpe City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the La Harpe ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in La Harpe, Illinois.
The La Harpe Zip Code is 61450.
If you want to send a mail to La Harpe City, you should use the 61450 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded La Harpe 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 61450 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a La Harpe 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 Illinois.