Your world at your fingertips. Even underground.

Free Wi-Fi on London Underground

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Browse and message as much as you like
Connect for free at over 250 stations
Accessible to all customers

Stay connected on your long trips. And your short ones.

Running late?

Send emails or download and read your inbox. Make business moves on the go.

Keep in touch

Update your Facebook status, or Whatsapp your mum about your night out.

Plan your journey

Lost underground? Go online to get train times, directions and connections for your trip.

Stay on the ball

Keep on top of the latest news or football scores as it happens.

Get Started

Use Free Wi-Fi Underground

Once you're at a participating station, switch on Wi-Fi and connect to Three_WIFI.

  1. Make sure you have iOS 15.4 or later installed
  2. Switch on your device and connect automatically

  1. Turn on Wi-Fi
  2. Select THREE_WIFI
  3. Set ‘access method’ to EAP
  4. Set ‘EAP method’ to SIM

Frequently asked questions.

You just need to have a valid Three SIM present in the device you are using to connect to the service.

You can connect using any Wi-Fi enabled device that has a valid Three SIM card. Wi-Fi is available in ticket halls, walkways, and platforms at over 250 stations. It does not work in the tunnels or in- between stations.

To disconnect from Free Wi-Fi on London Underground, just turn off Wi-Fi on your device.

• If you're calling about a phone account, call us on 333 from a Three phone or 0333 338 1001 (standard rates apply) from any other phone.

• If you're calling about a Mobile Broadband account, call us on 500 from a Three phone or 0333 338 1003 (standard rates apply) from any other phone.

If the internet doesn't seem to work, this may be a temporary issue with TfL’s network. This is very rare, but if it does happen, service will usually resume in a short time.

Yes, this is available for our business customers.