312 Area Code

Get a Chicago, Illinois phone number

A 312 phone number is related to Chicago, Illinois. Phoner: Second Phone Number, allows you to set up multiple phone numbers in minutes for any US area code that you need a number for. With Phoner you use your current mobile device so there’s no need to change your permanent address, purchase a new phone, or carry multiple mobile devices around with you. Perfect for your small business, dating communication, or buying and selling goods online.

Get your new area code 312 phone number today with Phoner on iOS, Android, or desktop. Download and start texting, calling, recording phone calls, or using caller ID lookup.

Illinois map showing location of area code 312 within the state

312 Phone Number





Major City:


The 312 area code is in Illinois, United States.

Area code 312 is in the Central time zone (UTC -6).

This area code covers the Chicago Loop and serves Chicago.

Nearby counties:

Illinois's 312 area code serves Cook County

Other nearby area codes includes:

Area Code 773 - Chicago

Area Code 872 - Chicago

Area Code 224/847 - Elgin

Area Code 464/708 - Cicero

Area Code 779/815 - Rockford

History of 312

Area Code

The Illinois 312 area code was introduced in 1947 for the Chicago Loop

Things To Do Near

Area Code 312

There are many activities for locals + visitors to see and do in the 312 area code (Chicago County).

Things to do in Chicago, Illinois tend to includes Millennium Park, Art Institute of Chicago, Navy Pier and much more.

Millennium Park

Explore Millennium Park, home to iconic attractions like Cloud Gate ("The Bean") and the Jay Pritzker Pavilion.

Art Institute of Chicago

Visit the Art Institute of Chicago, one of the oldest and largest art museums in the country.

Navy Pier

Enjoy entertainment, dining, and stunning views of Lake Michigan at Navy Pier.


in Chicago

Some of the universities, colleges, higher education establishments in area code 312 are:

University of Chicago

DePaul University

Columbia College Chicago

This is not an exhaustive list, there are additional schools that may not be included

Why do people sign up for a virtual 312 number with Phoner?

People sign up for 312 virtual US phone numbers for a number of reasons.

For business

To be seen as local vendors - local numbers are more trustworthy than out-of-state phone numbers

For marketing purpose

So customers can remember their numbers easily or to be seen as local vendors as local numbers are more trustworthy than out-of-state phone numbers


To give online dating matches a 2nd phone number until they’ve gone on a date and trust each other

To buy and sell goods

For Craigslist, Facebook, eBay purchases or sales so that people don’t have your personal information and don’t bother you after the sale or purchase has been made

Nearby Codes

Frequently asked questions about local numbers

Can I buy a local 312 Illinois phone number?

Yes you can. To purchase a 312 number, download Phoner here, select a ‘United States’ number followed by ‘Illinois’ as the state. Once you have chosen an area code you can choose a number of your choice. Once you have selected a number to make calls or send texts you can subscribe and enjoy a 3 day free trial.

What are the other Illinois local area codes?

You can find the Illinois local area codes here.

Can I port my existing 312 number to Phoner?

Yes, you can port your 312 number to Phoner. We are working on an automated process, for now please email our support team so they can manually port your number.

Why Use Phoner

Phoner allows you to purchase and activate multiple phone numbers across the US without the need for multiple phones. Get a second phone number for area code 312 - whether it’s a business phone number, dating phone number, or a phone number for buying & selling goods on Craigslist, Facebook, eBay. Select the area code 312 and start texting or calling today.