{"input":"5713491957","is_valid_nanp":true,"e164":"+15713491957","formatted":"(571) 349-1957","country_code":"+1","area_code":"571","region":"Virginia","principal_city":"Washington","timezone":"America/New_York","current_local_time":"2026-08-14 23:06:19","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.","area_code_url":"https://areacode.fyi/571","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}