Area code 618
Area code 618 is a telephone area code in the North American Numbering Plan. It serves Illinois, the United States.
- 618area code
- ILIllinois
- UScountry
- 1-Jan-47in service
How to dial a 618 number
From within the United States and Canada, dial 1, then 618, then the seven-digit number. From another country, dial your international access code, then +1 618 and the seven-digit number.
Area code 618 covers the same territory as 730. When several area codes share one area like this, it is called an overlay.
Other area codes in Illinois
217, 224, 309, 312, 331, 447, 464, 630, 708, 730, 773, 779, 815, 847, 861, 872
Frequently asked questions
Where is area code 618?
Area code 618 serves Illinois, the United States.
What is the country code for a 618 number?
Numbers with North American area codes use the country calling code +1.