Mt Vernon Civil Service Commission Mount Vernon, OH 43050 Phone : (740) 392-0775 Business Category General Government Mt Vernon Municipal Service Comm 40 Public Sq Mount Vernon, OH 43050 Phone : (740) 392-0775 Business Category Government Offices-City Village & Twp Legislative Bodies Mount Vernon City Of--civil Service Commission Mount Vernon, OH 43050 Phone : (740) 392-0775 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools