Petersburg MI ZIP Code
Petersburg city is located in Michigan State, Monroe County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Petersburg MI zip code by its streets and block numbers if we have some of the Petersburg streets loaded in our website
Petersburg Area Code is 734 and Time Zone is Eastern (GMT -05:00).
Petersburg Zip Code - Michigan
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Petersburg City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Petersburg ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Petersburg, Michigan.
The Petersburg Zip Code is 49270.
If you want to send a mail to Petersburg City, you should use the 49270 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Petersburg 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 49270 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Petersburg 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.