London Mills IL ZIP Code
London Mills city is located in Illinois State, Fulton County and has a unique zip code assigned by the US Postal Service Office.
You can search for the London Mills IL zip code by its streets and block numbers if we have some of the London Mills streets loaded in our website
London Mills Area Code is 309 and Time Zone is Central (GMT -06:00).
London Mills Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the London Mills City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the London Mills ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in London Mills, Illinois.
The London Mills Zip Code is 61544.
If you want to send a mail to London Mills City, you should use the 61544 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded London Mills 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 61544 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a London Mills 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.