{"area_code":"640","is_legitimate_code":true,"explanation":"Area code 640 is a legitimate New Jersey area code. The code itself is not a scam, but scammers can spoof any number — including 640 — 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":22,"total_complaints":115,"top_subjects":["Other","Dropped call or no message","Calls pretending to be government, businesses, or family and friends"],"most_complained":[{"number":"(640) 243-0753","complaints":39,"url":"https://areacode.fyi/number/6402430753"},{"number":"(640) 999-8003","complaints":7,"url":"https://areacode.fyi/number/6409998003"},{"number":"(640) 235-1650","complaints":6,"url":"https://areacode.fyi/number/6402351650"},{"number":"(640) 666-2034","complaints":5,"url":"https://areacode.fyi/number/6406662034"},{"number":"(640) 650-2164","complaints":4,"url":"https://areacode.fyi/number/6406502164"}],"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/640/scam","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-10-21"}