Here’s a quick reference guide on how to make calls using your OneSimCard International Cell Phone when making calls both within your country of stay and internationally.It’s important to remember that phone numbers given to you by locals will most likely be given to you in a local calling format. However, your OneSimCard phone requires that you always dial as if dialing internationally, even when making in-country calls.

Select the first letter of the country you are calling to see the instructions:

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