Farmington Light Department 110 W Columbia St Farmington, MO 63640 Phone : (573) 756-2620 Business Category Government Offices-City Village & Twp Water & Sewage Companies-Utility Water Supply Legislative Bodies Farmington City Of--light & Water Dept Long Memorial Bldg Farmington, MO 63640 Phone : (573) 756-2620 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools