Three Roaming Settings UK 2026 Roaming
Three roaming settings for international travel. Three runs on the Three (Three-owned networks + partner networks). You use the same APN when abroad: three.co.uk. Enable data roaming in your phone settings before travelling and check your plan includes your destination country.
📋 On this page
- Enable Data Roaming
- Roaming APN Settings
- EU Roaming Policy
- Countries & Destinations
- Charges & Data Limits
- Troubleshooting
- FAQs
How to Enable Three Data Roaming
Almost every device defaults to roaming off — a deliberate anti-bill-shock measure, meaning switching it on yourself before travel is required.
Android (Samsung, Pixel, and others)
- Head to Settings › Connections (Samsung) or Network & internet (Pixel) › Mobile Networks.
- Turning Data Roaming on brings a charges warning to confirm.
- A restart or 30-second Aeroplane Mode toggle after landing picks up the local network.
- Load a website first to confirm the connection is genuinely working.
iPhone
- Settings › Cellular (or Mobile Data) › Cellular Data Options.
- Turn Data Roaming on.
- After landing, switch Aeroplane Mode to connect up.
Roaming APN Settings — Three
Three uses the same APN for both UK data and international roaming: three.co.uk. You do not need to create a separate roaming APN. If mobile data stops working after arriving abroad, verify the APN is still set correctly and has not been overwritten by a local carrier profile.
| Field | Value | |
|---|---|---|
| APN | three.co.uk | |
| APN Type | default,supl,mms | |
| MCC | 234 | |
| MNC | 20 |
EU Roaming Policy — Three
Yes — Feel At Home includes 71 destinations at no extra charge.
Verify your destination is covered
Plans vary, so it's worth double-checking rather than assuming Three's full "Go Roam" list applies to you. Open My3, go to your plan details, and look for the roaming or travel section — this shows exactly which countries are included and any daily cap on usage. Calling 333 (free from Three) or 0333 338 1001 can confirm before departure if you're unsure.
Countries Three Roaming Covers
Three roaming is available across multiple destination tiers. EU/EEA destinations typically use your UK allowance at no extra cost on eligible plans. Further destinations (USA, Australia, Asia) may require a roaming add-on or pay-per-use charges.
| Region | Coverage | Typical Cost |
|---|---|---|
| EU / EEA (27 countries) | ✅ Included on most plans | Uses UK allowance |
| Switzerland / Norway / Iceland | ✅ Included on most plans | Uses UK allowance |
| USA | ✅ Yes — USA included in Three Feel At Home | Add-on or roam charges may apply |
| Australia / New Zealand | ⚠ Check your plan | Add-on typically required |
| Rest of World | ⚠ Check coverage map | Pay-per-use or add-on |
Always verify specific country availability for your plan in the My3 app or on the Three website before travelling.
Three Roaming Data Caps & Charges
Understanding your roaming costs prevents unexpected bills. Here is how Three roaming charges typically work:
- The standard UK allowance carries over to included destinations, usually without an extra charge.
- Even within included zones, fair use caps can apply to roaming data on some plans.
- Standard rates kick in outside included zones, often much higher — enable a travel add-on before departure.
- Once the data cap is reached, expect a cutoff or a paid top-up, depending on the plan's settings.
Troubleshooting Three Roaming
- Data roaming is disabled by default on most phones — turn it on in Settings › Mobile Networks.
- Not every plan includes every country — check the destination is covered.
- Restart your phone after arriving to register on a local Three partner network.
- Cycle Aeroplane Mode for around 30 seconds to trigger a fresh re-scan.
- Verify APN settings — check APN is still set to three.co.uk and has not been replaced by a local carrier profile.
- Try manual network selection: Settings › Mobile Networks › Network Operators. Search for networks and select a Three partner manually.
- Check signal strength — in remote areas or certain countries, Three may have limited partner coverage.
- Contact Three support: 333 (free from Three) or 0333 338 1001.