Npower Contact Number: 0800 073 3000

Phone Npower customer services for free by calling their freephone contact number 0800 073 3000 where you can enquire about your energy tariffs as well as your gas and electricity bills.

Npower is one of the so-called ‘big six’ energy companies operating in the United Kingdom, with over 3 million customers receiving their gas and electricity supplies through their operations. You should call their customer service telephone number 0800 073 3000 for free in order to make an enquiry about your energy bills, for example you should call this team if you believe you have been overcharged for your usage. To ensure that you have accurate bills you can also call this freephone helpline to submit up-to-date meter readings meaning you won’t be affected by estimated readings which may make your bills higher. Furthermore if you are moving home then you should call this customer care team in advance to either transfer your account to your new address or close your account and recieve a final energy bill.

As a freephone contact number 0800 073 3000 is free to call from all UK landline and mobile telephones, lines are open from 8am-8pm Monday-Friday and 8am-6pm Saturday so please be aware that you will be unable to call Npower on Sundays as well as some UK bank holidays.

Switch to Npower – 0808 156 0056

Contact Npower for free by calling their freephone telephone number 0808 156 0056 to switch your existing energy supplier meaning you will receive your gas and electricity supply under their tariffs. Furthermore if you would like further details on the range of prices that they offer you can call this helpline to get full details on costs associated with their pay-as-you-go, smart meter and direct debit contracts. Alternatively if you are an existing customer you can phone npower for free by calling their freephone helpline 0800 316 9044 to renew your current energy tariff.

Npower Contact Numbers – at a glance

Npower department Freephone contact number Local-rate phone number
Customer services 0800 073 3000 0330 100 3000
Tariff renewals 0800 316 9044 0330 100 8634
Energy efficiency 0800 0 2222 0 0330 100 8620
Complaints 0800 316 9328 (electricity & gas) or 0800 197 5442 (boiler & heating) 0330 100 7516
Smart Meter enquiries 0800 980 9907 None
Switch to Npower 0808 156 0056 None
Online account support 0800 316 9331 0330 100 8601