Oconomowoc WI ZIP Code
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Oconomowoc city is located in Wisconsin State, Waukesha County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Oconomowoc WI zip code by its streets and block numbers if we have some of the Oconomowoc streets loaded in our website
Oconomowoc Area Code is 262/920 and Time Zone is Central (GMT -06:00).
Oconomowoc Zip Code - Wisconsin
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Oconomowoc City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Oconomowoc ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Oconomowoc, Wisconsin.
The Oconomowoc Zip Code is 53066.
If you want to send a mail to Oconomowoc City, you should use the 53066 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Oconomowoc 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 53066 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Oconomowoc 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.