Willoughby OH ZIP Code
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Willoughby city is located in Ohio State, Lake County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Willoughby OH zip code by its streets and block numbers if we have some of the Willoughby streets loaded in our website
Willoughby Area Code is 440 and Time Zone is Eastern (GMT -05:00).
Willoughby Zip Code - Ohio
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Willoughby City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Willoughby ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Willoughby, Ohio.
The Willoughby Zip Code is 44094, 44096.
If you want to send a mail to Willoughby City, you should use the 44094, 44096 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Willoughby 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 44094, 44096 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Willoughby 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.