{"area_code":"313","is_legitimate_code":true,"explanation":"Area code 313 is a legitimate Michigan area code. The code itself is not a scam, but scammers can spoof any number — including 313 — so individual calls can still be fraudulent.","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":95,"total_complaints":360,"top_subjects":["Other","Reducing your debt (credit cards, mortgage, student loans)","Calls pretending to be government, businesses, or family and friends"],"most_complained":[{"number":"(313) 635-4240","complaints":13,"url":"https://areacode.fyi/number/3136354240"},{"number":"(313) 774-2760","complaints":8,"url":"https://areacode.fyi/number/3137742760"},{"number":"(313) 708-9618","complaints":8,"url":"https://areacode.fyi/number/3137089618"},{"number":"(313) 230-0448","complaints":7,"url":"https://areacode.fyi/number/3132300448"},{"number":"(313) 373-8183","complaints":7,"url":"https://areacode.fyi/number/3133738183"}],"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/313/scam","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}