Area Code 312, 773 & 872 | Phone Numbers in Chicago, IL


Connect with local customers and unify your business communication with a Chicago 312, 773 or 872 area code through PanTerra’s VoIP services. 

Chicago is in the 312, 773 & 872 area codes in Northeastern Illinois, in the United States.


Why Your Business Needs a 312, 773 or 872 Area Code

Area codes 312, 773 and 872 cover the city of Chicago, the most populous city in Illinois. And with a population of over 2,746,388, it's also the third-most populous city in the United States. Chicago is the county seat of Cook County. Despite the disaster that was the Great Chicago Fire of 1871, Chicago's population has grown significantly since the rebuilding of the city. 


Chicago has the third-largest gross metropolitan product in the Unites States – about $670.5 billion, according to 2017 estimates. The city is a major world financial center, with the second-largest central business district in the nation. 


In 2019, the median age of Chicagoans was 35.2 and had a median household income of $61,811. The same year, the median property value in the city was $275,000 with a homeownership rate of 44.2%. 


If your business is already operating in the area or if you are considering expanding to the Chicago area, in this densely-populated and diverse region, it’s important to stand out from the competition. Your business needs a strong local presence to convey familiarity among your customers and potential customers. You need to be able to connect with your target market consistently on a personal level.


Having a local area code communicates a local presence. But having a local 312, 773 or 872 Chicago VoIP phone number through PanTerra goes a step further and can give you a unified communication platform from which to grow your business and an effective means of connecting with your Chicago-area customers.


  • Increase your local presence
  • Improve your brand image, awareness and credibility
  • Enhance business communication
  • Increase customer satisfaction
  • Chose a new number or update your existing number

Bringing the Windy City to You

Chicago is an international hub for finance, culture, commerce, education, technology, telecommunications and transportation. The Chicago area has one of the highest GDPs in the world, generating $680 billion in 2018. The economy of Chicago is diverse, with no single industry employing more than 14% of the workforce. It's home to several Fortune 500 companies, including Allstate, Boeing, Caterpillar, Conagra Brands, Kraft Heinz, McDonald's, Motorola Solutions, United Airlines Holdings, US Foods and Walgreens. Manufacturing, printing, publishing and food processing also play major roles in the city's economy. For six consecutive years since 2013, Chicago was ranked the nation's top metropolitan area for corporate relocation.


Chicago's culture avenues include visual arts, literature, film, theater, comedy, food and music. Landmarks of the city include Millennium Park, Navy Pier, The Art Institute of Chicago, Willis (Sears) Tower, Grant Park, the Museum of Science and Industry, Hyde Park and the Lincoln Park Zoo.


Of the area's many colleges and universities, the University of Chicago, Northwestern University and the University of Illinois at Chicago are classified as the "highest research" doctoral universities. And because of the large hiring pool filled by said educational institutions, Chicago is home to a growing number of web startups like CareerBuilder, Orbitz, Basecamp, Groupon, Feedburner, Grubhub and NowSecure. 


Whether you are already in the Chicago area or are looking to expand here, a business phone number with a 312, 773 or 872 area code through PanTerra’s VoIP services can help you connect with local customers from anywhere in the world. Establish your presence in this culturally-charged and diverse metropolis. Contact us today to get a quote or to learn more.

Our Services

PanTerra digital phone system benefits:


Cost Effective

Appreciate the benefits of lower costs for more features over traditional phone lines and enjoy limited costs for hardware and software, as we’ll ensure you have up-to-date software and current hardware.



Issues like inclement weather, power outages, and network downtime present minimal risks to VoIP systems. Our data centers are redundant at every level ensuring 99.999% uptime. In the unlikely event of downtime, calls can be automatically forwarded to a mobile device.



Make your business decisions with confidence knowing that your VoIP service through PanTerra will scale with you. Whether you’re adding or removing lines, you’ll only pay for what you actually need.


Mobility & Access

Take advantage of portable technology that allows you and your employees to work from home, the office, or even abroad while easily maintaining access to voice, fax, and data services. Phone numbers can also follow a user to their home or a new office location.


Enhanced Communication

Answer calls more consistently, even if you’re on the go, and spend less time on voicemails and other communication platforms. With VoIP you can have a call ring to your desk phone for a few rings, then automatically ring to a mobile, tablet, or laptop.


30-Second Live Support

Experience award-winning customer service. PanTerra offers the unified communications features you want and the live support you deserve. We run our support in-house so you’ll get live support from helpful and personable stateside technicians.

Who We Are


The PanTerra Promise

In today’s workplace and given current market trends, there’s never been a better time to make a move to a better cloud. At PanTerra, we are committed to providing the reliability you can count on, the security you can believe in, and the features you want and need for your business, all at affordable and scalable pricing and with the ongoing support you need. 


Many people believe that VoIP services can be unreliable, especially in the event of a network outage, but one of the benefits of VoIP is that if a network goes down, affecting your office phone, calls can be forwarded to mobile phones or other devices. That also means that inclement weather and power outages no longer pose the risks they once did. Additionally, our data centers are redundant at every level ensuring 99.999% uptime. That's a guarantee you won't get from aging on-premises systems. 


PanTerra is also committed to providing the highest level of security. From multi-factor authentication to extensive access controls and complete encryption, your team will have the technical safeguards in place to practice compliance even under the most rigorous of mandates, including full HIPAA and HITECH compliance, delivering the most secure unified cloud service in the industry.


The flexibility of our VoIP systems means your team will get a fully-featured communications platform that supports and facilitates high productivity and effective communication, while you get the control you need due to the flexible nature and scalability of our services. VoIP features include options such as 1-click video conferencing, multi-media team messaging, and compliant file sync and share. You can also customize the service to suit the needs of your business, whether that’s to unify the communication system of a one-site or multi-site business, coordinate and unify a mobile or remote workforce, or set up and manage an on-site or virtual call center. Whatever your needs, our features and services are flexible, ensuring that you only pay for what you actually need. 


Our promise to you goes beyond the superiority of our systems. We’re also committed to providing the support you deserve, which is why our systems are built and supported in-house. PanTerra provides world-class, award-winning support using our own Unified Cloud IT solution. As a PanTerra VoIP customer, you’ll enjoy 30-second live support from stateside technicians, 24 hours a day, 365 days per year. We’ll also provide extensive training and onboarding to admins, end-users, and even new hires. We’ll be with you every step of the way to make sure you’re getting the most out of our services and your investment.

Features Including

Going Beyond VoIP


Call Center

Unlimited calling, Follow Me/Find Me, Voicemail to Email & Text, plus 13 more features on the Business Basic Plan.


Multi-Media Messaging

SmartBox with unlimited storage, SMS/MMS, MS Teams Integration, Audio/Video Streams, plus more.


File Sync & Share

SmartBox with unlimited storage, HIPAA/HITECH compliant, MF authentication, user access management, and more.


Video Conferencing

Screenshare, ConnectMe video conferencing, Audio/Video streams, Team Rooms/Messaging, plus 18 more features on the Business Plus Plan.

Supercharge Your Communications for Free!

Get a free PanTerra Streams demo account and enjoy on-net audio/video calls, video conferencing, team collaboration, secure file sharing, and more.
  • Skyrocket productivity

  • Integrate seamlessly