Williamsfield IL ZIP Code

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

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

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

Williamsfield Zip Code - Illinois

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

The Williamsfield Zip Code is 61489.

If you want to send a mail to Williamsfield City, you should use the 61489 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Williamsfield 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 61489 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Williamsfield 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.

Williamsfield, Illinois - MAP

What is the Williamsfield Zip Code?

The Williamsfield Zip Code in Illinois is 61489.

ZIP Plus 4 Williamsfield - US Streets Zip Codes

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What is the zip code for Williamsfield IL?


Williamsfield, Illinois - US Zip Code

Williamsfield ZIP Code Lookup

61489 Zip Code File:
Zip Code: 61489,
City: Williamsfield
Williamsfield Area Code: 309
Williamsfield, IL - Time Zone: Central (GMT -06:00)
County: Knox
City Alias: Williamsfield
State: Illinois
State Abb: IL

Illinois Zip+4 - Nearby Williamsfield Cities

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