New Windsor IL ZIP Code

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

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

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

New Windsor Zip Code - Illinois

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

The New Windsor Zip Code is 61465.

If you want to send a mail to New Windsor City, you should use the 61465 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded New Windsor 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 61465 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a New Windsor 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.

New Windsor, Illinois - MAP

What is the New Windsor Zip Code?

The New Windsor Zip Code in Illinois is 61465.

ZIP Plus 4 New Windsor - US Streets Zip Codes

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What is the zip code for New Windsor IL?


New Windsor, Illinois - US Zip Code

New Windsor ZIP Code Lookup

61465 Zip Code File:
Zip Code: 61465,
City: New Windsor
New Windsor Area Code: 309
New Windsor, IL - Time Zone: Central (GMT -06:00)
County: Mercer
City Alias: New Windsor
State: Illinois
State Abb: IL

Illinois Zip+4 - Nearby New Windsor Cities

Cities near New Windsor in Illinois
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