Andover IL ZIP Code

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

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

Andover Area Code is 309 and Time Zone is Central (GMT -06:00).

Andover Zip Code - Illinois

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

The Andover Zip Code is 61233.

If you want to send a mail to Andover City, you should use the 61233 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Andover 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 61233 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Andover 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.

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What is the Andover Zip Code?

The Andover Zip Code in Illinois is 61233.

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Andover, Illinois - US Zip Code

Andover ZIP Code Lookup

61233 Zip Code File:
Zip Code: 61233,
City: Andover
Andover Area Code: 309
Andover, IL - Time Zone: Central (GMT -06:00)
County: Henry
City Alias: Andover
State: Illinois
State Abb: IL

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