Janesville IL ZIP Code

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


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


Janesville Area Code is 217 and Time Zone is Central (GMT -06:00).



Janesville Zip Code - Illinois

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


The Janesville Zip Code is 62435.



If you want to send a mail to Janesville City, you should use the 62435 Zip Code.


In 1983, the U.S. Postal Service introduced an expanded Janesville 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 62435 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Janesville 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.


Janesville, Illinois - MAP



What is the Janesville Zip Code?

The Janesville Zip Code in Illinois is 62435.


ZIP Plus 4 Janesville - US Streets Zip Codes

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What is the zip code for Janesville IL?

62435

Janesville, Illinois - US Zip Code



Janesville ZIP Code Lookup

62435 Zip Code File:
Zip Code: 62435,
City: Janesville
Janesville Area Code: 217
Janesville, IL - Time Zone: Central (GMT -06:00)
County: Cumberland
City Alias: Janesville
State: Illinois
State Abb: IL



Illinois Zip+4 - Nearby Janesville Cities

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