HomeIllinois618 area code   Which country code is 618?
  • City Name
  • Country Code
  • Area Code
  • Alton
  • 1
  • 618
  • Belleville
  • 1
  • 618
  • Cairo
  • 1
  • 618
  • East St. Louis
  • 1
  • 618
Country Code + CITY AREA CODE + NUMBER
Where is area code 618? The area code for city is 618.
USA Telephone code 618 is dialed after the IDD. United States international dialing 618 is followed by an area code. The 618 area code table below shows the various city.Area code lookup for all cities or use the area codes locator to find which city a phone area code belongs to.
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