Three UK Does Not Cover Taiwan (2026)
Updated May 2026 · By The Roaming Cost Desk
Taiwan is not in Three UK's 71-country Go Roam coverage list. Three UK customers traveling to Taiwan will have no mobile service. A travel eSIM is the only wireless data option. HelloRoam offers 1GB+ for $9.00 on Taiwan Mobile, Chunghwa Telecom.
Three UK does not cover Taiwan
Taiwan is not in Three's 71-country Go Roam list. No service available for Three UK customers.
Taiwan is not in Three's Go Roam coverage
Three UK's Go Roam covers 71 countries. Taiwan is not one of them. Three customers traveling to Taiwan will have no mobile data, voice, or text service from their carrier. The phone will show "No Service" or "Emergency Calls Only." A travel eSIM is the only wireless data option for Three customers visiting Taiwan. Install the eSIM before departure and set it as your default data line.
Alternatives for Three UK customers in Taiwan
Without Go Roam coverage in Taiwan, Three UK customers have three options: (1) a travel eSIM at $9.00 for 1GB+ on local carriers, (2) a local physical SIM from local carriers (requires passport registration and an unlocked phone), or (3) Wi-Fi only. The travel eSIM is the fastest and most convenient option because it installs before departure and activates on landing.
Does Three UK work in Taiwan?
Yes. Three UK works in Taiwan and charges £2.75/day for roaming through the Go Roam (new customers).
Three UK works in Taiwan at £2.75/day. You get 12GB cap at 4G speeds. A 7-day trip costs £19.25 in roaming fees. A travel eSIM costs a fraction of that.
Three UK covers Taiwan at £2.75/day.
How much does Three UK charge in Taiwan?
Three UK charges £2.75/day in Taiwan. Moderate for short trips, but a travel eSIM still saves money on trips over 3 days.
| Trip | Three UK | eSIM | Savings |
|---|---|---|---|
| 3-day trip | £8.25 | $9.00 | N/A |
| 7-day trip | £19.25 | $9.00 | $10.25 |
| 14-day trip | £38.50 | $9.00 | $29.50 |
| 30-day trip | £82.50 | $9.00 | $73.50 |
A HelloRoam eSIM for Taiwan starts at $9.00 for the entire trip, with 1GB+ at local network speeds. No daily fees, no hidden charges, no contract.
eSIM alternative for Taiwan
Same networks, fraction of the cost.
Why an eSIM beats Three UK roaming
A travel eSIM connects to Taiwan Mobile, Chunghwa Telecom at full LTE speed for $9.00 total.Three UK charges £2.75 per day for the same networks. The eSIM has no daily charges, no auto-enrollment, and no hidden fees.
- ✓Instant QR install
- ✓5G where available
- ✓Keep your home number
- ✓Instant QR install
- ✓5G where available
- ✓Keep your home number
Setup Guide: eSIM Alongside Three UK
- 1Put your phone in airplane mode before takeoff.Prevents Three UK auto-enrollment in roaming passes.
- 2Buy a travel eSIM for Taiwan.HelloRoam, Airalo, and Saily sell Taiwan plans from $9.00.
- 3Install the eSIM via QR code.Label it "Taiwan data." Keep your Three UK line for SMS.
- 4Switch data to the eSIM after landing.Disable Three UK data roaming. Enable eSIM for data only.
- 5Switch back when you return home.Return to Three UK for data. The eSIM stays for next time.
Cost comparison: Three UK vs eSIM in Taiwan
Savings across different trip lengths.
| Trip Length | Three UK Cost | eSIM Cost | You Save |
|---|---|---|---|
| 3 days | £8.25 | $9.00 | $0.00 |
| 7 days | £19.25 | $9.00 | $10.25 |
| 14 days | £38.50 | $9.00 | $29.50 |
| 30 days | £82.50 | $9.00 | $73.50 |