{"input":"5738000851","is_valid_nanp":true,"e164":"+15738000851","formatted":"(573) 800-0851","country_code":"+1","area_code":"573","region":"Missouri","principal_city":"Columbia","timezone":"America/Chicago","current_local_time":"2026-10-25 09:57:19","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/573","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-10-21"}