The One Broadband

Customers can call 0330 912 8150 for help.

In short

Lines are open Mon to Fri 9am to 6pm (checked 24 October 2026). Our The One Broadband status page shows whether The One Broadband is down right now and any problems in the last 30 days. No The One Broadband deals are listed on 28 October 2026, so put in your postcode to see who sells broadband at your address. The One Broadband sells full fibre over Openreach, CityFibre and Community Fibre.

The One Broadband contact number

Help: 0330 912 8150; Mon to Fri 9am to 6pm; If your broadband is offline, The One asks you to email.

From The One Broadband's contact page, checked 24 October 2026. Numbers starting 03 cost the same as calls to 01 and 02 numbers and count towards any inclusive minutes.

Tools for The One Broadband customers

Speed test

Test your speed on The One Broadband

Measure your line, compare it against what The One Broadband promised, and see if a faster package is available at your address.

Run the speed test

Troubleshooter

Fix The One Broadband problems

Conversational diagnostic: outage check, line probe, fix list, and switch options if it's not worth waiting.

Start the troubleshooter

Outage check

Is The One Broadband down right now?

Live status, plus the last 30 days of outages.

Check the live status

The One Broadband questions

Can I get The One Broadband?

We don't have The One Broadband deals to show right now. Put in your postcode to see which providers sell broadband at your address.

What is The One Broadband's phone number?

Call 0330 912 8150 for help.

Is The One Broadband down?

Our The One Broadband status page shows any problem The One Broadband has reported and the last 30 days. Check The One Broadband's status.

What network does The One Broadband use?

The One Broadband sells full fibre over Openreach, CityFibre and Community Fibre.