Summerfield city is located in Illinois State, Saint Clair County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Summerfield IL zip code by its streets and block numbers if we have some of the Summerfield streets loaded in our website
Summerfield Area Code is 618 and Time Zone is Central (GMT -06:00).
Summerfield Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Summerfield City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Summerfield ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Summerfield, Illinois.
If you want to send a mail to Summerfield City, you should use the 62289 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Summerfield 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 62289 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Summerfield 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.
Summerfield, Illinois - MAP
ZIP Plus 4 Summerfield - US Streets Zip Code
Summerfield ZIP Code Lookup
62289 Zip Code Information:
Zip Code: 62289,
Summerfield Area Code: 618
Summerfield, IL - Time Zone: Central (GMT -06:00)
County: Saint Clair
City Alias: Summerfield
State Abb: IL