Oak Harbor OH ZIP Code
Oak Harbor city is located in Ohio State, Ottawa County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Oak Harbor OH zip code by its streets and block numbers if we have some of the Oak Harbor streets loaded in our website
Oak Harbor Area Code is 419/567 and Time Zone is Eastern (GMT -05:00).
Oak Harbor Zip Code - Ohio
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Oak Harbor City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Oak Harbor ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Oak Harbor, Ohio.
The Oak Harbor Zip Code is 43449.
If you want to send a mail to Oak Harbor City, you should use the 43449 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Oak Harbor 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 43449 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Oak Harbor 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.