Dow city is located in Illinois State, Jersey County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Dow IL zip code by its streets and block numbers if we have some of the Dow streets loaded in our website
Dow Area Code is 618 and Time Zone is Central (GMT -06:00).
Dow Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dow City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dow ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dow, Illinois.
If you want to send a mail to Dow City, you should use the 62022 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Dow 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 62022 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dow 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 Illinois.