618 Area Code Phone Numbers

Where is Area Code 618?

The 618 area code is assigned to Illinois. Area code 618 is one of 0 three-digit telephone area codes in the USA. There are about 0 unique phone numbers and 0 individuals near the cities of Belleville,Granite City,O'Fallon.

Major City:Belleville
Current Time: 9:38pm

Major Cities in 618 Area Code

  • Belleville
  • Granite City
  • O'Fallon
  • Alton
  • East St. Louis
  • Carbondale
  • Collinsville
  • Edwardsville
Area Code 618 Map
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