The 312 area code covers Chicago, The Loop, River North and more in Illinois. Provision a local 312 number in minutes.
Area code 312 is Chicago's most prestigious code, covering only the dense urban core of the city including the Loop, River North, and the lakefront neighborhoods. Numbers in the 312 area code signal an established Chicago business. The wider city is served by 773 and surrounding suburbs use 708, 847, 630, and others.
The 312 area code covers Chicago, The Loop, River North, Near North Side in Illinois.
Phone numbers in the 312 area code operate on America/Chicago time.
Yes. The 312 area code was introduced in 1947 and remains an active geographic code today.
Yes. Ajoxi provisions virtual 312 numbers with instant activation, clean caller-ID delivery, Tier-1 routing, and no setup fees — so you can build a local presence in minutes.
Provision a 312 number with instant activation, clean caller-ID, and Tier-1 routing — no setup fees, live in minutes.