🇺🇸 United States · Illinois
Area code 773
Area code 773 is a telephone area code in Illinois, United States, covering Chicago. Local time is UTC−6 (UTC−5 in summer). Numbers look like (773) 234-5678, or +1 773 234 5678 from abroad.
- State
- Illinois
- Time zone
- Chicago UTC−6 (UTC−5 in summer)
- Local time now
- –
- Dial from abroad
- +1 773
Places in area code 773
Cities and towns with telephone exchanges in the 773 area code, most exchanges first.
- Chicago
How to dial area code 773
| Calling from | You dial |
|---|---|
| Inside the 773 area | 773 234 5678 (10 digits) |
| Elsewhere in the US & Canada | 1 773 234 5678 |
| Any mobile phone, anywhere | +1 773 234 5678 |
| UK, Europe, India and most countries | 00 1 773 234 5678 |
| Australia | 0011 1 773 234 5678 |
Other area codes in Illinois
Area code 773: FAQ
Where is area code 773?
Area code 773 is in Illinois, United States and serves Chicago.
What time zone is area code 773 in?
Area code 773 is in the America/Chicago time zone (UTC−6 (UTC−5 in summer)).
How do I call a 773 number from outside the US and Canada?
Dial your exit code (00 in most countries, or + on a mobile), then 1, then 773 and the seven-digit number. Example: +1 773 234 5678.
Is a call from area code 773 a scam?
Area code 773 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 773 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 documentation100 free requests every month. No credit card required.
GET https://api.numlookupapi.com/v1/validate/+17732345678
{
"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"
}