Somonauk IL ZIP Code

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

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

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

Somonauk Zip Code - Illinois

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

If you want to send a mail to Somonauk City, you should use the 60552 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Somonauk 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 60552 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Somonauk 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.


Somonauk, Illinois - MAP

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ZIP Plus 4 Somonauk - US Streets Zip Code

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Somonauk ZIP Code Lookup

60552 Zip Code Information:
Zip Code: 60552,
City: Somonauk
Somonauk Area Code: 815
Somonauk, IL - Time Zone: Central (GMT -06:00)
County: Dekalb
City Alias: Somonauk
State: Illinois
State Abb: IL

Illinois Zip+4 - Nearby Somonauk Cities


Cities near Somonauk in Illinois
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View more Illinois zip codes