618 Area Code Information

Area code 618 covers 234 cities inside the state of Illinois. There are currently 11 area codes dividing up Illinois. Illinois area codes are used by over 12901563 residents across 102 different counties. Illinois became a state on December 3 1818.

The 618 is located in the Central Time Zone. There are 48 different phone service providers which use 587 different telephone exchange combinations

Counties using 618
Alexander, Bond, Boone, Calhoun, Clay, Clinton, Crawford, Dupage, Edwards, Effingham, Fairfield, Fayette, Franklin, Gallatin, Greene, Gwinnett, Hamilton, Hardin, Hartford, Hennepin, Jackson, Jasper, Jefferson, Jersey, Johnson, La Salle, Lawrence, Litchfield, Macoupin, Madison, Marion, Massac, McCracken, Monroe, Perry, Pope, Pottawatomie, Pulaski, Randolph, Richland, Saint Clair, Saint Louis City, Sainte Genevieve, Saline, San Diego, Shelby, Union, Wabash, Washington, Wayne, White, Williamson,

Cities using 618
View More Cities in 618
Other Illinois Area Codes
217 224 309 312 618 630 708 773 779 815 847

Top 10 Providers in 618
Ameritech Illinois, Verizon North, New Cingular, Cellco Partnership, Citizens Telecom, Level 3, Verizon North, Aero Communications., Southern Illinois, Unknown ,

Recently Searched Phone #'s