{"input":"3039002957","is_valid_nanp":true,"e164":"+13039002957","formatted":"(303) 900-2957","country_code":"+1","area_code":"303","region":"Colorado","principal_city":"Denver","timezone":"America/Denver","current_local_time":"2026-08-15 08:40:14","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/303","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}