Establish a local presence by purchasing a phone number in area code 618. Phone numbers in area code 618 are associated with the state of Illinois. There are currently at least 8 U.S. cities and 255 U.S. ZIP Codes associated with this telephone area code. In addition, there are at least 800 NXX's (the three-digit code that makes up digits 4-6 of a standard 10-digit U.S. phone number) available for use along with area code 618.
Phone numbers in area code 618 are associated with the state of Illinois.
There are currently at least 8 cities in Illinois that are associated with the 618 area code: East Alton, IL; Belleville, IL; Carbondale, IL; Collinsville, IL; East Saint Louis, IL; Edwardsville, IL; Granite City, IL; and O'Fallon, IL.
There are at least 255 U.S. ZIP codes associated with the area code 618 at this time (view all here).
The ZIP Code of 62040 is the ZIP Code most frequently connected to the 618 area code. The 62040 ZIP Code is primarily associated with Madison County in the state of Illinois.
An NXX, which is also known as the a "central office code" or an "exchange", is the three-digit sequence that comprises digits 4-6 of a standard 10-digit U.S. phone number. The NXX is the second main part of a phone number that comes directly after the area code, e.g. (618)-966-xxxx.
Detailed information about phone numbers in area code 618. Establish a Illinois presence with a 618 telephone number.