Saybrook IL ZIP Code

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

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

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

Saybrook Zip Code - Illinois

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

The Saybrook Zip Code is 61770.

If you want to send a mail to Saybrook City, you should use the 61770 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Saybrook 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 61770 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Saybrook 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 Saybrook Zip Code?

The Saybrook Zip Code in Illinois is 61770.

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Saybrook, Illinois - US Zip Code

Saybrook ZIP Code Lookup

61770 Zip Code File:
Zip Code: 61770,
City: Saybrook
Saybrook Area Code: 309
Saybrook, IL - Time Zone: Central (GMT -06:00)
County: Mclean
City Alias: Saybrook
State: Illinois
State Abb: IL

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