South Milwaukee WI ZIP Code
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South Milwaukee city is located in Wisconsin State, Milwaukee County and has a unique zip code assigned by the US Postal Service Office.
You can search for the South Milwaukee WI zip code by its streets and block numbers if we have some of the South Milwaukee streets loaded in our website
South Milwaukee Area Code is 414 and Time Zone is Central (GMT -06:00).
South Milwaukee Zip Code - Wisconsin
The US ZIP Code basic format consists of five decimal numerical digits assigned to the South Milwaukee City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the South Milwaukee ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in South Milwaukee, Wisconsin.
The South Milwaukee Zip Code is 53172.
If you want to send a mail to South Milwaukee City, you should use the 53172 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded South Milwaukee 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 53172 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a South Milwaukee 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.