618 Area Code — East St. Louis, Illinois

Area code 618 serves East St. Louis, IL.

Most looked-up 618 numbers

• 618-670-6729
• 618-713-8452
• 618-713-6493
• 618-306-3572
• 618-604-5940
• 618-509-3278
• 618-789-8164
• 618-558-5935

Phone prefixes in 618

• 618-670
• 618-713
• 618-306
• 618-604
• 618-509
• 618-789
• 618-558

Carriers serving 618

• At&t (3 numbers)
• Verizon (2 numbers)
• T-Mobile (2 numbers)

Frequently asked questions

Where is area code 618?

Area code 618 serves East St. Louis, IL.

What prefixes are in area code 618?

Phone2.io tracks 7 phone prefixes in area code 618, with carrier and spam-report data on individual numbers.

More about area code 618

Area code 618 overview, history, and local numbers · Get a IL phone number

Last updated: March 16, 2026