{"area_code":"551","is_legitimate_code":true,"explanation":"Area code 551 is a legitimate New Jersey area code. The code itself is not a scam, but scammers can spoof any number — including 551 — 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":79,"total_complaints":326,"top_subjects":["Other","Dropped call or no message","Reducing your debt (credit cards, mortgage, student loans)"],"most_complained":[{"number":"(551) 353-9700","complaints":18,"url":"https://areacode.fyi/number/5513539700"},{"number":"(551) 368-0030","complaints":13,"url":"https://areacode.fyi/number/5513680030"},{"number":"(551) 360-3889","complaints":10,"url":"https://areacode.fyi/number/5513603889"},{"number":"(551) 308-0886","complaints":9,"url":"https://areacode.fyi/number/5513080886"},{"number":"(551) 377-2401","complaints":8,"url":"https://areacode.fyi/number/5513772401"}],"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/551/scam","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-10-21"}