618 area code

Get a local phone number in St. Louis, MO

Biggest city:

St. Louis

State:

Missouri

Major Cities:

Belleville, Alton, Granite City, East St. Louis, Edwardsville

Timezone:

Central (GMT -6)

Population:

319,294

Average Income:

$70,189

Zip codes:

63101

63199

Unemployment Rate:

3.90%

Nearby area codes:

217

447

Get a 618 phone number

📲 Get a 618 number: $7/mo

618 area code summary

Area code 618 serves southern Illinois, including cities like Belleville, Carbondale, Edwardsville, and Mount Vernon. Created in 1947, it’s one of the original Illinois area codes and encompasses a region of agricultural, academic, and manufacturing significance. Southern Illinois University in Carbondale plays a key role in the area’s economy, while proximity to the St. Louis metro area allows for cross-border commerce. The region is rich in coal mining history and continues to evolve with logistics, healthcare, and education sectors. A 618 number establishes a strong connection to downstate Illinois and is ideal for local businesses, rural services, or institutions serving small-town America.

Fun fact 💡

Alton’s Lincoln-Douglas Debate site, from 1858, is a 618 landmark.

🏢First Phone Company:

Illinois Bell (later AT&T)

📲 Get a 618 number: $7/mo