{"area_code":"865","type":"geographic","status":"active","country":"US","region":"Tennessee","region_code":"TN","principal_city":"Knoxville","cities":["Knoxville","Maryville","Oak Ridge"],"timezone":"America/New_York","timezone_label":"Eastern Time","current_local_time":"2026-10-22 17:33:05","ten_digit_dialing":true,"service_type":null,"overlay_codes":[],"nearby_codes":["423","729","451","828","821","864"],"summary":"Area code 865 covers Knoxville, Tennessee (Eastern Time) and nearby Maryville and Oak Ridge.","carrier_summary":{"nxx_prefixes":500,"blocks":4050,"wireless_pct":40,"top_carriers":[{"name":"ONVOY, LLC - TN","blocks":576},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN","blocks":505},{"name":"BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL","blocks":502},{"name":"NEW CINGULAR WIRELESS PCS, LLC - GA","blocks":419},{"name":"POWERTEL NASHVILLE LICENSES, INC.","blocks":389},{"name":"TELEPORT COMMUNICATIONS AMERICA, LLC - TN","blocks":232}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/865","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-10-21"}