Port Washington WI ZIP Code
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Port Washington city is located in Wisconsin State, Ozaukee County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Port Washington WI zip code by its streets and block numbers if we have some of the Port Washington streets loaded in our website
Port Washington Area Code is 262 and Time Zone is Central (GMT -06:00).
Port Washington Zip Code - Wisconsin
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Port Washington City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Port Washington ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Port Washington, Wisconsin.
The Port Washington Zip Code is 53074.
If you want to send a mail to Port Washington City, you should use the 53074 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Port Washington 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 53074 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Port Washington 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.