Dover IL ZIP Code

Dover city is located in Illinois State, Bureau County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Dover IL zip code by its streets and block numbers if we have some of the Dover streets loaded in our website

Dover Area Code is 815 and Time Zone is Central (GMT -06:00).


Dover Zip Code - Illinois

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dover City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dover ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dover, Illinois.

If you want to send a mail to Dover City, you should use the 61323 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Dover 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 61323 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dover 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.


Dover, Illinois - MAP


ZIP Plus 4 Dover - US Streets Zip Codes

By pressing keys ctrol + F you can search Dover zip codes by its streets, highways, and know the ZIP+4 US ZIP Code


Dover ZIP Code Lookup

61323 Zip Code Information:
Zip Code: 61323,
City: Dover
Dover Area Code: 815
Dover, IL - Time Zone: Central (GMT -06:00)
County: Bureau
City Alias: Dover
State: Illinois
State Abb: IL



Illinois Zip+4 - Nearby Dover Cities

Cities near Dover in Illinois
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