312 phone number - Get a Chicago, Illinois local phone number

Call customers locally across the US and Canada from a 312 area code number using OpenPhone. Use your new number on any smartphone or computer without buying any additional hardware. You can activate a Chicago business phone number service in minutes.

Pricing for a 312 phone number starts at just $15 per user per month with OpenPhone.

312 phone number
title shape

If you need a new business phone number in area code 312 or a city nearby, you likely need some details about the locale. We took a closer look at area code 312. Here’s what we found.

Area code 312 covers territory in 1 counties including: Cook Its principal city is Chicago, which has a population of 2,746,388. To serve the region, there are two overlays to area code 312. They are area codes 872 and 773.

The area code encompasses people in the downtown Chicago.

Nearby area codes are 224/847 (Elgin, IL), 708 (Cicero, IL), 773 (Chicago, IL), 779/815 (Rockford, IL), 872 (Chicago, IL).

another way to help facilitate illustration

Use local numbers to help your business succeed.

With a local 312 phone number, you can effectively get in front of the right people and establish a foothold in the Chicago, IL area.

312 overview
Building business connections

Are you starting a business in area code 312 or looking to expand there? You can get a feel for the climate with these facts on employers, population, and top industries.

This Central Standard Time metropolis is in Cook County. Its unemployment rate of 11.1% hasn’t stopped some large employers from hiring. The biggest employers in the city of Philadelphia are: Chicago Public Schools, Walgreens, Mcdonald’s, Abbvie, University of Illinois at Chicago, Allstate, Advocate Health Care, Abbott, Northwestern University, United Airlines.

Look deeper, and you can see some patterns in the most prominent industries thriving in Chicago. These top sectors, from census.gov, are:
  • Educational services, and health care and social assistance
  • Professional, scientific, and management, and administrative and waste management services
  • Finance and insurance, and real estate and rental and leasing

These sectors have contributed to Chicago's mean household income of $94,733. But don’t forget the independent business community. The blossoming number of small businesses popping up around town has also been central to the growth and prosperity of the city.

As more people go into business for themselves, spurred on by a remote work revolution and digital tools that let them work from anywhere, Chicago has seen new business applications skyrocket 60% from 2019 to 2020. They’re in good shape to thrive well into the future, with the state’s startup survival rate at 78.80%.

Join the thriving economic scene in area code 312. Access easy-to-use but powerful business features to streamline your communications. It begins with a free, seven 7-day trial of OpenPhone.

Try out calling and texting with an area code tied to this flourishing region and confirm OpenPhone is a great fit for your business by starting a free seven-day trial of OpenPhone.

calling and texting with OpenPhone

Whether you're looking for a local Chicago or North American toll-free number,
getting started is simple.

See which specific 312 phone numbers are available and claim your own Chicago, Illinois number by signing up for a free trial. Here’s how it works: using our service, you can easily set up your local phone number without the need to install any additional hardware. Easily download and install our app, and find the right numbers for your business.

How to get a 312 phone number


Enter your email address or sign in with your Google account.


Then search by city (Chicago, IL) or area code (312) to select a specific local number.


Verify your account via credit card (you won’t be charged until your trial ends, cancel anytime.)


Use the OpenPhone browser app or download the desktop apps or mobile apps.

illustration of greeting through laptop screen

Why do businesses sign up for a virtual 312 number with OpenPhone
title shape

Go anywhere, appear local in 312

Obtain a local 312 phone number easily in Chicago, Illinois. Or port your existing phone number over with no service interruptions. It takes just minutes and is done for you. Once your number is activated, OpenPhone works on any device. Get a phone number and start calling and texting quickly, managing your conversations from an easy-to-use inbox. OpenPhone has apps you can access from a tablet, computer, or smartphone.

OpenPhone works from almost anywhere across the globe, so you can travel or live overseas — and still appear local. Chat with clients across state borders or from a coworking space across continents. All it takes is an internet connection.

Don’t live in the area code that you want a number for? No problem. You can still use your number anywhere without incurring typical long-distance charges. Calling and texting to any US or Canadian number is free with OpenPhone.

Leave a strong impression

Even if you’re working on the road, you can keep conversations organized and professional with OpenPhone. When you’re off, you can automatically mute business notifications after hours.

Easily add a phone menu, caller ID, and business voicemail greetings. That way, you can make a great impression on callers. While your business ID helps customers recognize your calls, your private number is always safe. Just because you’re using a personal device doesn’t mean your cell phone number is visible to customers. Incoming calls to your device show as an OpenPhone number so you can easily see what’s for work and what isn’t.

Sign up for multiple OpenPhone numbers, and always know which calls to your cell phone are for which specific OpenPhone numbers, or are personal.

Easily scale your phone system as your team grows

Get as many phone numbers as your business needs. Spin up new numbers in an instant to expand to new markets or assign any number to a specific teammate. Any numbers are ready to use without visiting a store or sitting on hold with customer service.

Your team can split the responsibility of answering incoming calls and messages by working from a shared number. When you share access, your team can stay aligned and work together to address messages. Assign out tasks and collaborate using threads. And stay responsive in record time by saving go-to message templates as snippets for common queries.

With a local business telephone number in area code 312, it’s easy to appear local and expand your company’s presence in the region. Support your growth by using OpenPhone, the #1 business phone solution on G2.

Frequently asked questions about local numbers

How do I get a local 312 phone number?
Can you buy a local 312 Illinois phone number?
Can I forward calls from my 312 area code phone number elsewhere?
How many 312 or Illinois phone numbers can I have?
Can I port my existing 312 number to OpenPhone?

Just a piece of advice. I used my personal cell number as the company number and I still regret it a decade later (I get so many stupid calls). Don’t do what I did. I wish I had a service like this 10 years ago!

Michael Seibel
CEO at Y Combinator

Join thousands of companies using local phone numbers for
their business

getaround logowealthsimple logobungalow logoy-combinator logosonder logoMLB logolinear logoondeck logostratchpad logoshogun logoairgarage logoathena logo