{"input":"7736443754","is_valid_nanp":true,"e164":"+17736443754","formatted":"(773) 644-3754","country_code":"+1","area_code":"773","region":"Illinois","principal_city":"Chicago","timezone":"America/Chicago","current_local_time":"2026-10-25 06:08:01","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/773","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-10-21"}