Effingham IL ZIP Code
Effingham city is located in Illinois State, Effingham County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Effingham IL zip code by its streets and block numbers if we have some of the Effingham streets loaded in our website
Effingham Area Code is 217 and Time Zone is Central (GMT -06:00).
Effingham Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Effingham City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Effingham ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Effingham, Illinois.
The Effingham Zip Code is 62401.
If you want to send a mail to Effingham City, you should use the 62401 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Effingham 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 62401 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Effingham 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.