Area code 312
312 is Chicago, Illinois.
Area code 312 at a glance
- State
- Illinois
- Main cities
- Chicago
- Time zone
- Central Time
- Local time now
- --:--:--
- Overlay codes
- 872
- In service since
- 1947
872 covers the exact same area as 312 — both are dialed with all 10 digits.
Get a 312 number
Rent a real 312 number and receive calls and text messages on it from anywhere. Calls ring in your browser, and voicemail is transcribed automatically.
$3.90/month
Available now
- +1 312 840 6018
- +1 312 487 3944
- +1 312 517 8206
- +1 312 530 0606
- +1 312 548 0602
Call a 312 number from abroad
Call any 312 number from your browser — no SIM, no app install, and no international roaming charge.
Calls to United States start at $0.02/min from QuikRing.
Call now in your browserCalling 312 from inside the US or Canada
Dial 1, then 312, then the 7-digit number.
Calling a 312 number or a 1-800 number from outside the US or Canada? Here is how to reach it from abroad.
Frequently asked questions
Where is area code 312?
Area code 312 covers Chicago in Illinois.
What time is it in area code 312?
Area code 312 is in the Central Time time zone. See the live clock above for the current local time.
Is 872 the same area as 312?
Yes. 872 is an overlay of 312 — they cover the exact same area, so every call there needs all 10 digits dialed.
How do I get an area code 312 phone number?
Sign up for QuikRing and rent one of the available 312 numbers shown above. It starts working immediately and can receive real calls and text messages.
How much does it cost to call 312 from abroad?
Calls to United States numbers, including area code 312, start at $0.02/min with QuikRing — no roaming plan or SIM needed.