BT Contact Number: 0800 800 150

Contact BT customer services by calling their freephone number 0800 800 150, else phone the BT head office in London directly on 0207 356 5000.

BT Customer Services – 0800 800 150

Phone a BT customer service advisor by calling 0800 800 150 – this is a freephone number so calls are free from UK landlines and mobile phones.

Call this customer service phone number for general enquiries or if you are unsure of which BT department to contact (be it about your home phone, mobile, BT Broadband, BT TV, BT Sport or any other BT product).

If you have a fault with your BT Mobile service or any problems with your calling features, you should also call freephone 0800 800 150.

This helpline is open 7 days a week: from 8am to 8pm on weekdays and from 9am to 6pm on weekends.

A full help page, including FAQs, links to live chat advisors and community forums, is available on the official BT help website here: .

Moving Home or Switching to BT – 0800 100 400

To contact BT if you are moving house and wish to move your current BT account address, or if you want to switch to BT and place an order, phone using the freephone number 0800 100 400 (8am-8pm Monday-Saturday; 9am-6pm Sunday).

Calling this number will allow you to relocate your BT phone, broadband and TV/Sport services to your new address. Similarly if you are a new customer wanting to switch to BT you should also phone this number (however if you need more information on which package to buy, phone BT on their main customer service helpline first: 0800 800 150).

An online service for home movers to move or switch to BT products, is available on the BT website along with helpful FAQs here: .

Cancellations – 0800 783 1401

If you wish to cancel your BT service then contact BT using this phone number: 0800 783 1401. This will put you in contact with a specialist BT customer service advisor trained to guide you through the process of cancelling your BT Landline, BT Broadband, BT TV or BT Sport package.

This cancellations hotline is free to call from all UK phones (excludes payphones) and is open Monday-Friday 8am-9pm, Saturday 8am-8pm, and Sunday 9am-6pm.

If you are calling on behalf of a friend or relative who has passed away and wish to cancel their BT account, the phone number to call is 0800 169 1663. This helpline is available Monday-Friday 8am-6pm and is closed on weekends.

You can also send BT an email to notify them that an account holder has died through their online service here:,5615 .

Billing Support – 0800 433 311

Phone BT’s automated 24-hour billing helpline by calling this freephone number: 0800 433 311.

Call this helpline to pay your BT bill, get your current balance, get information on BT call charges, or setup/manage your direct debits to BT. This number is open 24 hours a day, 365 days a year.

If you wish to speak to a BT customer service advisor, then call their main helpline on 0800 800 150.

You can also pay your BT bill online using their secure web app:

Technical Support – 0800 800 150

If you have discovered a fault with your BT service or have any other technical problem that needs seeing to, and are unsure of which department you should contact, phone the main BT customer service helpline on freephone 0800 800 150. This phone number is suitable for all BT departments, including their Landline, Phone, TV and Sport services. This helpline is open 8am-8pm on weekdays, and 9am-6pm on weekends.

If you already know which department to contact about a problem with your BT service, feel free to consult the list below for technical support contact numbers specific to each department.

BT Technical Support Phone Numbers

Department Phone Number Availability
BT Landline Technical Support 0800 800 151 24/7/365
Faults with BT Broadband / BT TV / BT Email / Internet Security 0800 111 4567 24/7/365 (best time to call: from 12 Noon to 4pm
BT Cloud Technical Support 0800 500 3114 Mon-Fri 9am-9pm, Sat-Sun 9am-6:30pm
BT SmartTalk Support 0800 011 3845 Mon-Sat 8am-8pm, Sun 8am-6pm
Problems with your BT ID 0800 707 6310 Mon-Sat 8am-8pm, Sun 8am-6pm
Outdoor Equipment Faults (cables, poles, cabinets, manholes) 0800 023 2023
Problems with a BT Building 0800 223 388

All of these numbers are UK freephone numbers, which means are free to call from all UK phones.

BT Complaints Helpline – 0207 356 5000

To contact BT to make an official complaint, phone their head office number here: 0207 356 5000. This is a local rate phone number which will connect you to an advisor at the BT head office. If your complaint is minor, or could be solved by a specific department, then instead phone their main technical support freephone helpline on 0800 800 151.

Online complaint options, including email and live chat services, are also available at the official BT complaints webpage: . If you want to write a letter of complaint to BT, use the following postal address.

Customer Service Manager,
BT Customer Correspondence Centre,
Providence Row,
DH98 1BT,
United Kingdom.

International Contact Number +44 179 359 6931

To phone BT from outside the UK, please call +44 179 359 6931, where customer service advisors will then redirect you to the appropriate department. Please note that the cost of this call is likely to be considerably greater than standard local UK calls, and will vary depending on the country where you are calling from.

All Popular BT Contact Numbers

Customer Services / Technical Support / Complaints 0800 800 150
Head Office 0207 356 5000
Cancellations (cancel BT services) 0800 783 1401
Switch to BT or Change Address (Moving Home) 0800 100 400
BT Billing Support 0800 433 311
BT Landline 0800 800 511
BT TV, Broadband & Email 0800 111 4567
BT Cloud 0800 500 3114
BT SmartTalk 0800 011 3845
BT ID 0800 707 6310

Alternative Contact Options

Follow BT on Social Media

As with most major brands within the UK, BT maintains a strong presence on social media sites. Links to these can be seen here: