Williamsville IL ZIP Code
Williamsville city is located in Illinois State, Sangamon County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Williamsville IL zip code by its streets and block numbers if we have some of the Williamsville streets loaded in our website
Williamsville Area Code is 217 and Time Zone is Central (GMT -06:00).
Williamsville Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Williamsville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Williamsville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Williamsville, Illinois.
The Williamsville Zip Code is 62693.
If you want to send a mail to Williamsville City, you should use the 62693 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Williamsville 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 62693 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Williamsville 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.