{"area_code":"557","is_legitimate_code":true,"explanation":"Area code 557 is a legitimate Missouri area code. The code itself is not a scam, but scammers can spoof any number — including 557 — 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":5,"total_complaints":17,"top_subjects":["Other","Vacation  & timeshares","Calls pretending to be government, businesses, or family and friends"],"most_complained":[{"number":"(557) 200-7334","complaints":4,"url":"https://areacode.fyi/number/5572007334"},{"number":"(557) 204-0016","complaints":4,"url":"https://areacode.fyi/number/5572040016"},{"number":"(557) 557-1797","complaints":3,"url":"https://areacode.fyi/number/5575571797"},{"number":"(557) 210-8558","complaints":3,"url":"https://areacode.fyi/number/5572108558"},{"number":"(557) 467-2078","complaints":3,"url":"https://areacode.fyi/number/5574672078"}],"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/557/scam","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}