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Where is the 872 Area code?
The 872 area code covers the city of Chicago and is an overlay for the 312 and 773 area codes. Together, these codes provide additional phone numbers for residents, businesses, and organizations throughout Chicago.
This area includes landmarks like Millennium Park, Willis Tower, Navy Pier, and the Art Institute of Chicago. Businesses and residents use the 872 area code to ensure clear local communication and build trust with customers within the city.

Time Zone
The 872 area code, covering the city of Chicago, follows the Central Time Zone (CT), which is UTC−6:00 and GMT−6 during standard time. It observes Daylight Saving Time, which begins on the second Sunday in March and ends on the first Sunday in November, during which clocks are set forward by one hour to UTC−5:00 (GMT−5). Businesses and residents within the city follow this time zone to stay aligned with the official time in Chicago.
About Chicago
Chicago is located in northeastern Illinois, covering approximately 234.53 square miles (606.44 km²) with a population of over 2.7 million residents as of 2023. The city uses multiple area codes, including 312, 773, and 872, with the 872 area code functioning as an overlay for both 312 and 773 to provide additional phone numbers throughout the city.
The 872 area code region in Chicago has a diverse and thriving economy, with major sectors including finance, technology, healthcare, education, manufacturing, and transportation. Key employers in the city include United Airlines, McDonald’s, Kraft Heinz, the University of Chicago, and Northwestern Memorial Hospital. Landmarks such as Millennium Park, Willis Tower, Navy Pier, the Art Institute of Chicago, and Wrigley Field highlight the city’s cultural, historical, and economic significance.
Additionally, local businesses and residents in Chicago can use an 872 area code phone number to establish credibility, build customer trust, and strengthen their presence across the city, ensuring clear communication and a recognizable local identity.
History of 872 Area Code
The area code 872 started its service on November 7, 2009, as an overlay of the area codes 312 (downtown Chicago) and 773 (City of Chicago excluding downtown). It was one of 8 area codes introduced at that time and was created to meet new numbers’ rising demand.
872 was the 13th area code in the state of Illinois during the time of its introduction, which currently has 17 area codes. Besides these 3 area codes mentioned above, others are 217/447, 309/861, 618/730, 630/331, 708/464, 779/815, and 847/224.
Search 872 Area Code Virtual Phone Numbers
Get a 872 area code phone number from Calilio to build local credibility with customers across Chicago and start your business presence for just $15 per month.
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How Does a 872 Area Code Phone Number Work for Your Business?
A 872 area code business phone number is a standard 10-digit number under the North American Numbering Plan (NANP). It is an overlay of the 312 and 773 area codes and shares the same region across the city of Chicago. This area code phone number allows customers within the Chicago city to reach your local business easily using landlines, mobile phones, or VoIP platforms.
Since the 872 area code is an overlay of 312 and 773 in Chicago, all local calls require the area code. On landlines, you must dial 11 digits: the “1” + area code + 7-digit number (for example, 1‑872‑555‑1234) to route calls correctly. On mobile phones, you can use 10-digit dialing without the leading “1,” as the network automatically handles it for local calls.
Businesses in Chicago can get an 872 area code number through landlines, mobile carriers, or virtual services like Calilio. Among these options, virtual numbers are often preferred by businesses because of the advanced features such as call forwarding, auto-attendant, voicemail alerts, analytics, and CRM integrations.

Nearby Area Codes of 872
Key Features of a 872 Area Code Business Phone Number
Queue Call Back
Call back the next person in line or route them to another available recipient when a receiver gets a call from two different contacts to eliminate call waiting or abandonment issues.
Call Analytics
Track down all the incoming and outgoing calls and ensure call quality, good connection and availability without any trouble.
How to Get a Phone Number with the Area Code 872?
Get an 872 phone number with Calilio hassle-free in just a few steps.
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Create a Calilio account with basic details & log in to your dashboard.
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Navigate to the left sidebar & click the plus symbol (+) located next to the Number section.
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You will land on the My Number page; here, select the Country for your virtual number.
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Select the Number Type and then choose the Capabilities (SMS, Voice, MMS).
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Scroll down, choose an available number from the list, and click the Add to Cart button.
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In the final step, enter your name and click Confirm Purchase from the cart to complete payment and activate your virtual number.
Already Have an 872 Phone Number for Business?
Seamlessly port your existing 872 phone area code number to Calilio and enjoy its features.

Reasons to Get an 872 Area Code Number for Business
Acquiring 872 phone numbers with Calilio offers numerous advantages, from enhancing local presence to increasing customer experience.
Local Marketing
Establish Local Presence
Enhance Customer Experience
Cost Savings
CRM Integration for Workflow Automation
Integrating Calilio with your favorite CRM software, automation tool, or a business app to enhance business communication as well as improve workspace productivity.
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Automation
Pipedrive
CRM
Pabbly Connect
Automation
LeadHeed
CRM
HubSpot
CRM
Salesforce
CRM
Mailchimp
Marketing
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Sales Automation
Zendesk
Helpdesk
Request Integration
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Frequently Asked Questions
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