Marietta OH ZIP Code
Marietta city is located in Ohio State, Washington County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Marietta OH zip code by its streets and block numbers if we have some of the Marietta streets loaded in our website
Marietta Area Code is 740 and Time Zone is Eastern (GMT -05:00).
Marietta Zip Code - Ohio
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Marietta City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Marietta ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Marietta, Ohio.
The Marietta Zip Code is 45750.
If you want to send a mail to Marietta City, you should use the 45750 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Marietta 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 45750 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Marietta 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.