Williams Bay WI ZIP Code
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Williams Bay city is located in Wisconsin State, Walworth County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Williams Bay WI zip code by its streets and block numbers if we have some of the Williams Bay streets loaded in our website
Williams Bay Area Code is 262 and Time Zone is Central (GMT -06:00).
Williams Bay Zip Code - Wisconsin
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Williams Bay City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Williams Bay ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Williams Bay, Wisconsin.
The Williams Bay Zip Code is 53191.
If you want to send a mail to Williams Bay City, you should use the 53191 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Williams Bay 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 53191 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Williams Bay 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 Wisconsin.