🇺🇸 United States · Illinois

Area code 618

Area code 618 is a telephone area code in Illinois, United States, covering Belleville, Granite City, East St. Louis, Edwardsville, Carbondale, Collinsville and more. Local time is UTC−6 (UTC−5 in summer). Numbers look like (618) 234-5678, or +1 618 234 5678 from abroad.

State: Illinois
Time zone: Chicago UTC−6 (UTC−5 in summer)
Local time now: –
Dial from abroad: +1 618

Places in area code 618

Cities and towns with telephone exchanges in the 618 area code, most exchanges first.

Belleville
Granite City
East St. Louis
Edwardsville
Carbondale
Collinsville
Alton
Mount Vernon
Benton
Marion
Wood River
Harrisburg
Mount Carmel
Olney
Godfrey
Centralia
Robinson
O'Fallon
Highland
Murphysboro
West Frankfort
Herrin
Trenton
Scott AFB

How to dial area code 618

Calling from	You dial
Inside the 618 area	618 234 5678 (10 digits)
Elsewhere in the US & Canada	1 618 234 5678
Any mobile phone, anywhere	+1 618 234 5678
UK, Europe, India and most countries	00 1 618 234 5678
Australia	0011 1 618 234 5678

Other area codes in Illinois

217 Springfield, Champaign 224 North Chicago, Schaumburg 309 Peoria, Bloomington 312 Chicago 331 Illinois 447 Illinois 464 Illinois 630 Aurora, Naperville 708 Oak Park, Orland Park 730 Illinois 773 Chicago 779 Rockford 815 Rockford, Crystal Lake 847 Schaumburg, Elgin 872 Chicago

Area code 618: FAQ

Where is area code 618?

Area code 618 is in Illinois, United States and serves Belleville, Granite City, East St. Louis, Edwardsville, Carbondale, Collinsville. and other places

What time zone is area code 618 in?

Area code 618 is in the America/Chicago time zone (UTC−6 (UTC−5 in summer)).

How do I call a 618 number from outside the US and Canada?

Dial your exit code (00 in most countries, or + on a mobile), then 1, then 618 and the seven-digit number. Example: +1 618 234 5678.

Is a call from area code 618 a scam?

Area code 618 is a regular North American area code, but caller ID can be spoofed: scammers often show local-looking numbers. Do not call back unknown numbers that ask for money or personal data, and check the number with the phone number validator to see whether it is valid and whether it is a mobile, landline or VoIP number.

Phone number API

Check 618 numbers in your app

numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.

Read the documentation

100 free requests every month. No credit card required.

GET https://api.numlookupapi.com/v1/validate/+16182345678

{
  "valid": true,
  "number": "12069220880",
  "local_format": "2069220880",
  "international_format": "+12069220880",
  "country_prefix": "+1",
  "country_code": "US",
  "country_name": "United States of America",
  "location": "Seattle",
  "line_type": "landline",
  "e164_format": "+12069220880",
  "national_format": "(206) 922-0880"
}