Illinois area codes
Illinois has 17 area codes. All on Central Time.
Calling Illinois right now
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
Calling a lot of them? RegieGO dials up to five lines at once. See the dialer
When can you call Illinois numbers?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every number to them, since you can't tell a work line from a personal cell. Each area code's page has its local time now.
What applies in IllinoisEvery day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
Illinois area code FAQ
How many area codes does Illinois have?
17: 217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 730, 773, 779, 815, 847, 861 and 872.
What time zone is Illinois area codes in?
Central Time (CST, UTC-6; CDT, UTC-5 in summer).
What is the newest Illinois area code?
730, in service since July 7, 2023.
When can you call Illinois numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
Calling Illinois numbers? Reach more of them.
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