Connectivity in 190+ countries with over 600 networks

Seamless support for calls, texts, and mobile data

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Great savings on calls, texts, and data when you travel

With Sleek international roaming SIM card, you can stay connected throughout your entire journey. Our affordable rates mean you will get great savings on all calls, SMS, and mobile data all over the world. Fit a Sleekworldsim into your unlocked device and start saving!

 Calls from $0.20 per minute*
 Texts from $0.15 per standard SMS*
 Data from $0.15 per MB*

*Prices are in USD. Sleekworldsim only works with unlocked mobile phones and tablets.
SIM 1.

 Pre-paid control with no lock-in contract

Sleekworldsim is a prepaid service, meaning no contract and no bill-shock! With our wide range of top-ups and data packs, select the amount most suited for your travels and only pay for what you need!

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 One phone number anywhere you travel

There is no need to change phone numbers every time you move from one country to another. Sleekworldsim ensures you can easily stay in touch with your friends and family while you’re on your journey.

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SIM 2.
SIM 3.

 Expert Technical Support

Make a free call by dialing *200# from your Sleekworldsim and our friendly support agents will assist you with your enquiries. We are also available via live chat and emails. Do not hesitate to contact us!

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 Select the best data option for your travel needs

We have a wide range of data packs, providing you even greater savings on data roaming. Apply a data pack directly to your registered Sleekworldsim, or purchase one as a voucher to use at a later date.

*Data packs expire 30 days after they are purchased. Data pack vouchers have a 180 day expiry period. 

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Activity Data used
Sending or receiving 40 emails without attachments 2 MB
Visiting 5 different web pages 2 MB
Browsing Facebook for 10 minutes 3 MB
Streaming 10 minutes of audio content 10 MB
Making a 10 minute call on Skype (standard not video) 10 MB
Uploading 10 photos 40 MB
Streaming 10 minutes of video on YouTube (standard definition) 70 MB

Note: this information should be used as a guide only. Data usage may vary based on the App. Most apps use background activity which also uses your data. To switch this off, please do so in the App settings.
Sourced: Managing your data usage

World SIM is your essential travel companion

Sleekworldsim is your essential travel partner. Get one today!

 190+ countries and 600+ networks
 Prepaid, no lock-in contract
 Massive savings on calls, SMS, and data
 Great options for data packs
 Expert technical support
 One SIM fits all mobile phones and tablets