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    Call Chicago, United States

    Area Code: 312

    Make crystal-clear calls to Chicago at the lowest rates. No hidden fees, just reliable connections.

    Calling Rates to Chicago

    Transparent pricing with no hidden charges

    $0.02

    Per minute rate

    312

    Area code for Chicago

    24/7

    Call anytime

    💡 Calling Chicago Tips

    • • Always include the area code 312 when calling Chicago
    • • Rates apply to both mobile and landline numbers in United States
    • • No connection fees or setup charges
    • • Billed per second after the first minute

    Popular Areas in Chicago

    Key neighborhoods and districts

    The Loop

    Prefix: 312

    Downtown business district and financial center

    River North

    Prefix: 312

    Galleries, restaurants, and creative businesses

    West Loop

    Prefix: 312

    Tech startups and trendy restaurants

    North Side

    Prefix: 773

    Residential neighborhoods and local businesses

    South Side

    Prefix: 773

    Historic neighborhoods and universities

    About Calling Chicago

    Chicago is the third-largest city in the United States and the business capital of the Midwest. Known for commodities trading, manufacturing, transportation, and a diverse economy, Chicago is home to major corporations and the CME Group. The city uses area codes 312 (downtown Loop), 872 (downtown overlay), 773 (neighborhoods), and 872/312 for newer assignments.

    Business Districts

    The Loop

    Chicago's central business district with major corporations

    Format: +1 312 XXX XXXX

    Magnificent Mile

    Retail, hospitality, and corporate offices on Michigan Avenue

    Format: +1 312 XXX XXXX

    West Loop

    Growing tech hub and creative industries

    Format: +1 312 XXX XXXX

    River North

    Advertising, design, and media companies

    Format: +1 312 XXX XXXX

    Local Tips

    Chicago is in the Central Time Zone, 1 hour behind New York. Business hours are strictly 9 AM - 5 PM with lunch from 12-1 PM. Winters are harsh, so plan for potential delays November-March. The city empties out on summer Fridays as people head to Wisconsin lake houses.

    How to Call Chicago

    Step-by-step dialing instructions

    Local Dialing

    Dial the full 10-digit number. 312 is the prestigious downtown code, 773 covers most neighborhoods.

    Special Prefixes

    312 is The Loop and downtown, 773 covers city neighborhoods, 872 overlays both. Suburbs use 847, 630, 708, and others.

    Carrier Information

    All major carriers have excellent coverage. Verizon and AT&T are strongest in the Loop.

    Calling Etiquette

    Chicagoans are friendly but businesslike. Midwest values mean punctuality and reliability are highly valued. Small talk about weather or sports (especially the Bears or Cubs) is common.

    Quick Dialing Format

    +1 + 312 + local number

    Example: +1 312 1234567

    Why Call Chicago?

    Common reasons people call this city

    Finance & Trading

    Connect with CME Group, trading firms, and financial services

    Manufacturing

    Reach manufacturing companies and industrial businesses

    Transportation & Logistics

    Contact airlines (United HQ), railroads, and shipping companies

    Healthcare

    Connect with major hospital systems and medical research

    Chicago at a Glance

    Key statistics and information

    2.7 million (city), 9.5+ million (metro)

    Population

    Central Time (CT) - UTC-6 / UTC-5 DST

    Time Zone

    9:00 AM - 5:00 PM CT, Monday-Friday

    Business Hours

    9 AM - 11 AM and 2 PM - 4 PM CT

    Peak Times

    Frequently Asked Questions About Calling Chicago

    Get answers to common questions