Coldwater OH ZIP Code
Coldwater city is located in Ohio State, Mercer County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Coldwater OH zip code by its streets and block numbers if we have some of the Coldwater streets loaded in our website
Coldwater Area Code is 419 and Time Zone is Eastern (GMT -05:00).
Coldwater Zip Code - Ohio
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Coldwater City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Coldwater ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Coldwater, Ohio.
The Coldwater Zip Code is 45828.
If you want to send a mail to Coldwater City, you should use the 45828 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Coldwater 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 45828 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Coldwater 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.