libphonenumber API

618 Area Code

Belleville, IL and 78 other locations · United States

Country code +1 · ISO US

Area Code

618

Country

United States

Calling Code

+1

Timezone

America/Chicago

Example 618 Number

A sample number from this area code, formatted three ways.

National International E.164
(618) 555-0123 +1 618-555-0123 +16185550123

Try it now

Pre-filled with a 618 sample number. Edit it and click "Try It" to see the parsed result.

Cities and Regions

Locations served by the 618 area code, according to Google's libphonenumber.

  • · Belleville, IL
  • · Granite City, IL
  • · East St. Louis, IL
  • · Carbondale, IL
  • · Edwardsville, IL
  • · Alton, IL
  • · Collinsville, IL
  • · Marion, IL
  • · Mount Vernon, IL
  • · Benton, IL
  • · Godfrey, IL
  • · Murphysboro, IL
  • · Olney, IL
  • · Highland, IL
  • · Centralia, IL
  • · West Frankfort, IL
  • · Wood River, IL
  • · O'Fallon, IL
  • · Herrin, IL
  • · Robinson, IL
  • · Harrisburg, IL
  • · Mount Carmel, IL
  • · Illinois
  • · New Baden, IL
  • · Troy, IL
  • · Louisville, IL
  • · Oblong, IL
  • · Greenville, IL
  • · Flora, IL
  • · Vienna, IL
  • · Carlyle, IL
  • · McLeansboro, IL
  • · Staunton, IL
  • · Christopher, IL
  • · Cairo, IL
  • · Newton, IL
  • · Grafton, IL
  • · Chester, IL
  • · St. Elmo, IL
  • · Anna, IL
  • · Fairfield, IL
  • · Cobden, IL
  • · Waterloo, IL
  • · Lawrenceville, IL
  • · Steeleville, IL
  • · Johnston City, IL
  • · Carterville, IL
  • · Goreville, IL
  • · Trenton, IL
  • · Scott AFB, IL
  • · Eldorado, IL
  • · Columbia, IL
  • · Red Bud, IL
  • · Vandalia, IL
  • · Dupo, IL
  • · Maryville, IL
  • · Marissa, IL
  • · Nashville, IL
  • · Pinckneyville, IL
  • · Brighton, IL
  • · Grayville, IL
  • · Bethalto, IL
  • · Carmi, IL
  • · Ava, IL
  • · Sparta, IL
  • · Albion, IL
  • · New Athens, IL
  • · Millstadt, IL
  • · Altamont, IL
  • · Jerseyville, IL
  • · Metropolis, IL
  • · Breese, IL
  • · Lebanon, IL
  • · Freeburg, IL
  • · Du Quoin, IL
  • · Salem, IL
  • · Mascoutah, IL
  • · Hardin, IL
  • · Bunker Hill, IL

How to Dial United States Numbers

From abroad

Dial +1 followed by the national number, dropping any leading 1.

Within United States

Dial 1 before the local number to make a domestic call.

Dialing out of United States

Dial 011 followed by the destination country code and number.

Nearby United States Area Codes

View all United States area codes →

Frequently Asked Questions

Where is the 618 area code?

└ The 618 area code covers Belleville, IL in United States.

What timezone is the 618 area code in?

└ Numbers in the 618 area code are in the America/Chicago timezone.

How do I dial a 618 number?

└ From abroad, dial +1 618 followed by the local number. Within United States, dial 1618 before the local number.