National Phone Number Registry NPNR

Area Codes in Illinois

The complete list of all valid area codes in Illinois.

Enter the complete 10-digit phone number
Area Code State Country
217 IL - Illinois US
224 IL - Illinois US
309 IL - Illinois US
312 IL - Illinois US
331 IL - Illinois US
618 IL - Illinois US
630 IL - Illinois US
708 IL - Illinois US
773 IL - Illinois US
779 IL - Illinois US
815 IL - Illinois US
847 IL - Illinois US
872 IL - Illinois US

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Some useful links:
National Do Not Call Registry FTC - Cell Phones and the Do Not Call Registry FCC - Do Not Call List FTC Complaint Assistant 1.3.4