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How to Call BT (British Telecom) Customer Service from Abroad

Last updated: March 2026

BT Group is the largest fixed-line broadband and mobile provider in the United Kingdom, also operating the EE mobile network. Their main customer service number is +44-800-800-150, but if you are calling from outside UK, that number will not connect. The 0800 number is free from UK landlines and mobiles. International callers should dial +44-150-874-7747 as a chargeable direct-dial number. Below you will find direct-dial international numbers that work from any country, along with tips for reaching a live agent and how to use Kinvo to call at the lowest possible rate.

BT (British Telecom) Main Customer Service Number

+44-800-800-150

The 0800 number is free from UK landlines and mobiles. International callers should dial +44-150-874-7747 as a chargeable direct-dial number.

BT (British Telecom) International Phone Numbers

These direct-dial numbers work when calling BT (British Telecom) from outside UK. You can dial any of these numbers from any country using Kinvo or a regular phone with an international calling plan.

Country / RegionPhone Number
Main Number (UK)+44-800-800-150
Ireland+353-1-437-5399
Worldwide (direct dial)+44-150-874-7747

Numbers verified as of March 2026. Companies may change their contact numbers without notice. If a number does not work, try the company's website for updated contact information.

How to Call BT (British Telecom) from Any Country Using Kinvo

Kinvo is a browser-based calling service that lets you dial any phone number in 150+ countries directly from your computer or phone browser. No app download or international phone plan required. Here is how to call BT (British Telecom) step by step:

  1. 1
    Create a free Kinvo account

    Go to kinvophone.com and sign up with your email. No credit card is required. Every new account includes a free 1-minute test call so you can try the service before adding credits.

  2. 2
    Add calling credits

    Purchase credits starting from $5. Credits never expire and there are no monthly fees. A 15-minute call to BT (British Telecom) costs approximately $0.20 via Kinvo.

  3. 3
    Dial the BT (British Telecom) international number

    Open the Kinvo dialer and enter one of the numbers from the table above. For the best connection, use a number geographically close to you. For example, if you are in Europe, use the UK or Germany number. Kinvo auto-formats the number for you.

  4. 4
    Allow microphone access and start talking

    Your browser will ask for microphone permission the first time. Grant it, and Kinvo connects your call via WebRTC with HD voice quality. You will see the per-minute rate and remaining credits in real time during the call.

Best Time to Call BT (British Telecom)

Customer service hours

Mon-Fri 8am-9pm, Sat 8am-8pm, Sun 9am-6pm GMT

Keep in mind that customer service hours are listed in the company's local time zone. If you are calling from a different time zone, convert the hours accordingly. Kinvo shows the current time in the destination country when you enter the number.

Alternative Ways to Contact BT (British Telecom)

Use the BT app or visit bt.com/help. Live chat is available on the BT website.

Online chat and email support may be available 24/7 even when phone lines are closed. However, for complex account issues, billing disputes, or urgent matters, a phone call is usually the fastest way to get a resolution.

Tips for Calling BT (British Telecom) from Abroad

BT broadband faults can be reported automatically through the My BT app, which runs a line test and can schedule an engineer visit without a phone call.

For billing queries, the BT app and website show itemized bills and allow you to set up or change payment plans directly.

If you are a BT customer moving abroad and want to cancel your contract, call at least 30 days before your move date to avoid early termination charges.

How Much Does It Cost to Call BT (British Telecom) via Kinvo?

Calling BT (British Telecom)'s UK number through Kinvo costs as little as $0.01 per minute for UK landlines, plus a one-time $0.05 connection fee (charged only when the call is answered).

Call DurationEstimated Cost
5 minutes$0.10
15 minutes$0.20
30 minutes$0.35
60 minutes$0.65

Estimates based on Kinvo's UK landline rate of $0.01/min + $0.05 connection fee. Rates to mobile numbers or other countries may vary. View all rates.

Call BT (British Telecom) from Anywhere in the World

Sign up for Kinvo in 30 seconds and call BT (British Telecom)'s customer service directly from your browser. No app download, no international phone plan, no subscription. Your first 1-minute test call is free.

How to Call Other Telecom Companies from Abroad

Frequently Asked Questions

Can I call BT (British Telecom)'s toll-free number from outside UK?

No. Toll-free numbers (starting with 1-800, 1-888, 0800, etc.) only work when dialed from within their home country. From abroad, you will get an error or the call will not connect. Use the direct-dial international numbers listed on this page instead.

What is the cheapest way to call BT (British Telecom) from abroad?

Using a VoIP service like Kinvo is typically the cheapest option. Kinvo charges $0.01/min for US and UK landline calls plus a $0.05 connection fee. A 15-minute call costs approximately $0.20. Traditional phone carriers charge $1-3/min for international calls, making a 15-minute call $15-45.

Do I need a special app to call BT (British Telecom) internationally?

No. With Kinvo, you can call BT (British Telecom) directly from your web browser (Chrome, Firefox, Safari, or Edge). No app download or installation is required. Just sign up, add credits, and dial. Kinvo works on any device with a microphone.

What time should I call BT (British Telecom) if I am in a different time zone?

Mon-Fri 8am-9pm, Sat 8am-8pm, Sun 9am-6pm GMT. Convert these hours to your local time zone before calling. Kinvo displays the current time in the destination country when you enter the phone number, so you can see at a glance whether BT (British Telecom) customer service is likely to be open.