Roundhead OH ZIP Code
Roundhead city is located in Ohio State, Hardin County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Roundhead OH zip code by its streets and block numbers if we have some of the Roundhead streets loaded in our website
Roundhead Area Code is 419 and Time Zone is Eastern (GMT -05:00).
Roundhead Zip Code - Ohio
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Roundhead City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Roundhead ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Roundhead, Ohio.
The Roundhead Zip Code is 43346.
If you want to send a mail to Roundhead City, you should use the 43346 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Roundhead 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 43346 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Roundhead 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.