E.ON Contact Number – Complaints, Electrical Faults & Emergencies

E.ON - UK Energy Supplier & Energy Company Contact Number Details

Call eon customer service on 0333 202 4606 / 0800 111 999. This is a direct dial eon contact number that connects you straight through to their department. Eon contact telephone number can be called from 9am - 5pm Monday to Friday, during open hours (8:30am-11:30pm, 7 days). Note -