Saint Peter IL ZIP Code
Saint Peter city is located in Illinois State, Fayette County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Saint Peter IL zip code by its streets and block numbers if we have some of the Saint Peter streets loaded in our website
Saint Peter Area Code is 618 and Time Zone is Central (GMT -06:00).
Saint Peter Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Saint Peter City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Saint Peter ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Saint Peter, Illinois.
The Saint Peter Zip Code is 62880.
If you want to send a mail to Saint Peter City, you should use the 62880 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Saint Peter 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 62880 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Saint Peter 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 Illinois.