Flat Rock IL ZIP Code

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

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

Flat Rock Area Code is 618 and Time Zone is Central (GMT -06:00).

Flat Rock Zip Code - Illinois

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

The Flat Rock Zip Code is 62427.

If you want to send a mail to Flat Rock City, you should use the 62427 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Flat Rock 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 62427 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Flat Rock 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 Flat Rock Zip Code?

The Flat Rock Zip Code in Illinois is 62427.

ZIP Plus 4 Flat Rock - US Streets Zip Codes

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Flat Rock, Illinois - US Zip Code

Flat Rock ZIP Code Lookup

62427 Zip Code File:
Zip Code: 62427,
City: Flat Rock
Flat Rock Area Code: 618
Flat Rock, IL - Time Zone: Central (GMT -06:00)
County: Crawford
City Alias: Heathsville, Birds, Flat Rock
State: Illinois
State Abb: IL

Illinois Zip+4 - Nearby Flat Rock Cities

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