Southington Sewer Department 75 Main St Southington, CT 06489 Phone : (860) 276-6233 Business Category Government Offices-City Village & Twp Legislative Bodies Southington Town Of--sewer Department, Office Southington, CT 06489 Phone : (860) 276-6233 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools