{"input":"6173443439","is_valid_nanp":true,"e164":"+16173443439","formatted":"(617) 344-3439","country_code":"+1","area_code":"617","region":"Massachusetts","principal_city":"Boston","timezone":"America/New_York","current_local_time":"2026-08-15 00:30:04","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/617","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}