London OH ZIP Code
London city is located in Ohio State, Madison County and has a unique zip code assigned by the US Postal Service Office.
You can search for the London OH zip code by its streets and block numbers if we have some of the London streets loaded in our website
London Area Code is 740 and Time Zone is Eastern (GMT -05:00).
London Zip Code - Ohio
The US ZIP Code basic format consists of five decimal numerical digits assigned to the London City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the London ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in London, Ohio.
The London Zip Code is 43140.
If you want to send a mail to London City, you should use the 43140 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded London 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 43140 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a London 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 Ohio.