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Local 618 numbers

Get a 618 phone number for Belleville and southern Illinois.

Ask for 618 when you create a number on ExpressNumber, and the number you hand out reads as Belleville, Carbondale and southern Illinois. It rings the phone you already carry, and you burn it in one tap.

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This is how you get a 618 number.

  1. Start your 7 days free and open Create a number.
  2. Type 618 as the area code and give the number a name.
  3. Hand it out. Calls ring the phone you already carry, and texts land in your inbox.
  4. Burn it in one tap when you are done. Calls and texts to it stop at once.
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People ask for 618 when the search is in Belleville, Carbondale or Alton.

An apartment for rent in Carbondale or Edwardsville draws calls from many strangers.

List it with a 618 number, take the calls on your own phone and burn the number once the lease is signed.

A used truck or a pair of tickets sold on a marketplace near O'Fallon brings texts all week.

Post a 618 number with the photos, set it to Texts only and keep your own number off the listing.

A moving job or a roofing quote in Belleville or Alton ends in follow-up calls.

Give each company its own 618 number. Block the ones you did not choose.

This is where a 618 number is from.

Area code 618 reaches throughout southern Illinois, from the Metro East area near St. Louis to the Indiana border, as the Illinois Commerce Commission puts it. The numbering administrator names Belleville, Granite City, O'Fallon, Alton, East St. Louis, Carbondale and Collinsville.

The commission also names Edwardsville, Marion and Centralia. The 730 code is laid over the same area, and St. Louis, Missouri uses 314.

  • Belleville
  • O'Fallon
  • Granite City
  • Edwardsville
  • Alton
  • Collinsville
  • Carbondale
  • East St. Louis
  • Marion
  • Centralia
  • Mount Vernon
  • Herrin

These are the facts about area code 618.

From the public records of the body that runs US phone numbering, read October 21, 2026.

Place
Belleville and southern Illinois, Illinois
In service since
1947
Local calls are dialed with
Ten digits
Shares its area with
730 (2023)

618 is one of the original area codes, assigned in 1947, and its boundaries have not changed since then. The Illinois Commerce Commission approved a 730 overlay in docket 00-0677, and 730 entered service on July 7, 2023.

Dialing all ten digits for local calls became mandatory on October 24, 2021.

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Then pick the plan that fits how many numbers you hand out.

Basic

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$9.99/mo

  • 5 numbers, one for each site, store or dealer
  • 100 forwarded minutes a month
  • Burn a number in one tap
  • Extra numbers $1 a month each
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Pro

7 days free

$29.99/mo

  • 100 numbers
  • 1,000 forwarded minutes a month
  • A number per vendor, client or listing
  • Extra numbers 50¢ a month each
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$0 today. Monthly plans, cancel any time.

People ask these questions about getting a 618 number.

More in the full FAQ.

Create a number in your dashboard, type 618 as the area code and give it a name, such as Apartment for rent. It is live in about a minute. You do not need to live in Illinois: calls ring the phone you already carry.

Yes, for taking calls and texts. A roofer, a tutor or a mover in Belleville can put a 618 number on the flyer and the website, take the calls on their own phone and burn the number when the job is done.

Yes. The 618 area takes in Belleville, O'Fallon, Granite City, Alton, Collinsville and Carbondale. 730 numbers cover the same area.

No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.

You get 7 days free and pay $0 today. After 7 days your plan starts: $9.99 a month for Basic or $29.99 a month for Pro. Cancel before then and you pay nothing.

More area codes

Every fact on this page comes from public numbering records.

The state, the dates and the related codes are rows of the North American Numbering Plan Administrator's area code database. The places are from its planning letters and the state’s own pages. Read October 21, 2026.

Put 618 on a number you can burn.

Hand out a number you can burn. Keep the one your family calls.

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