T-One SIM is a prepaid card that allows you to use your mobile phone when you are travelling abroad without incurring expensive roaming charges.
You can use your T-One SIM International card to make cheap mobile phone calls in over 220 countries worldwide as well as receive calls for FREE in more than 90 countries. We estimate our T-One SIM International card can save you up to 95% on your mobile phone roaming charges as compared to normal operators. T-One SIM card is ideal for people travelling abroad on business, holiday or taking a gap year. When your credit runs low, simply top up your account using our automated and instant top-up service, from anywhere in the world, 24 hours a day.
2+ Mobile numbers: UK, US, and any International number
- This International sim card comes with a UK, US, and any International number as standard and can be used in any country for mobile service. You can activate your US number by dialling 160. This will SMS the US number to you. US customers can now have a US number when travelling abroad and save up to 80% compared to normal operator roaming charges. Users visiting the US can receive calls for free whilst in US and make cheap local and international calls.
- To receive calls in the US, the user must activate the US sim profile from the handset menu. Calls can be received free in the US when called on the UK number. Receiving a call on the US number costs $0.25 when used in the US or in any free roaming in country i.e. Zone 1 and Zone 2. When in Zone 3-6 country, receiving a call on the US number costs the standard charge plus an additional $0.25 cents.
Save up to 95% on roaming charges when travelling abroad
Our International sim card roaming charges start at $0.25/min whether calling a landline or mobile. See our roaming charges for our complete amazing low rates for calling and texting.
Free roaming in over 90 countries
With our International sim card you pay nothing to receive calls in 90+ countries. This compares to prices of up to £1 a minute for some UK mobile operators. Countries include Europe, United Arab Emirates, Saudi Arabia & Egypt.
Roaming coverage in over 220 countries
T-One SIM International sim card works in all the major tourist and business destinations and is not dependent on any one mobile network - it simply finds the best network signal wherever you are so you can count on great line quality.
Prepaid SIM card with UK and USA mobile phone number
Unlike other roaming sim cards, the T-One Multi IMSI sim card comes with UK, US, and any International number telephone number which work simultaneously on the same sim card. Callers can call you at any time on either number.