South Lyon MI ZIP Code
South Lyon city is located in Michigan State, Oakland County and has a unique zip code assigned by the US Postal Service Office.
You can search for the South Lyon MI zip code by its streets and block numbers if we have some of the South Lyon streets loaded in our website
South Lyon Area Code is 248 and Time Zone is Eastern (GMT -05:00).
South Lyon Zip Code - Michigan
The US ZIP Code basic format consists of five decimal numerical digits assigned to the South Lyon City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the South Lyon ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in South Lyon, Michigan.
The South Lyon Zip Code is 48178.
If you want to send a mail to South Lyon City, you should use the 48178 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded South Lyon 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 48178 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a South Lyon 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 Michigan.