US Unlimited Roaming lets you use as much data as you want. Make unlimited calls within the US and back to Cambodia. Receive all calls free of charge. Plus you’ll get unlimited SMS.

All for only 10 USD/day!

Subscription Fee
Dial *313*10# 10 USD/day
Check status,


  • The best value deal when visiting the US
  • No long-term subscription
  • Unlimited data usage and SMS
  • Unlimited calls within the US and back to Cambodia
  • Receive all calls completely FREE of charge

Terms & Conditions

  • The above standard charging rates apply to all Smart postpaid and prepaid price plans and include applicable taxes.
  • If you don’t subscribe to the above deal, data usage will be capped at 8 USD/day.
  • US Unlimited Roaming is an auto-renewal service and renews daily at midnight Cambodian time.
  • Unlimited calls only apply within US and back to Cambodia. International calls will be charged from your main balance at 2 USD/minute.
  • You will not incur any charges for receiving calls.

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