Print Home > Allstate – The Marcengill Agency | Seneca, SC Allstate – The Marcengill Agency | Seneca, SC 721 W. North 1st Street, Seneca, South Carolina 864-882-8373 [email protected] Address:721 W. North 1st Street, Seneca, South CarolinaPhone:864-882-8373Web Site:http://[email protected] View Larger Map