{"area_code":"866","is_legitimate_code":true,"explanation":"Area code 866 is a legitimate toll-free code. It is not a scam by itself, though such codes are commonly used in robocalls and can be spoofed.","spoofing_note":"An area code only shows where a number is registered, not who is calling. Caller ID can be spoofed, so the code alone is not proof a call is local, safe, or fraudulent.","ftc_complaints":{"numbers_with_complaints":2907,"total_complaints":30389,"top_subjects":["Reducing your debt (credit cards, mortgage, student loans)","Other","Calls pretending to be government, businesses, or family and friends"],"most_complained":[{"number":"(866) 959-0957","complaints":1133,"url":"https://areacode.fyi/number/8669590957"},{"number":"(866) 959-0960","complaints":756,"url":"https://areacode.fyi/number/8669590960"},{"number":"(866) 398-3898","complaints":630,"url":"https://areacode.fyi/number/8663983898"},{"number":"(866) 959-1606","complaints":612,"url":"https://areacode.fyi/number/8669591606"},{"number":"(866) 959-1584","complaints":536,"url":"https://areacode.fyi/number/8669591584"}],"note":"These are FTC Do Not Call complaints filed about specific numbers shown with this area code — frequently spoofed. The area code itself is not a scam.","source":"FTC Do Not Call Reported Calls"},"advice":"Judge the call by what it asks for (urgency, gift cards/crypto, confirming codes or SSN), not by the area code. When unsure, hang up and call back on an official number.","canonical_url":"https://areacode.fyi/866/scam","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}