Select the mobile service and click Manage Service.
Under Service Management, click Change service settings.
Turn on Outgoing Calls to International & Premium Numbers such as 19XX.
Click Update Settings.
My Account shows a confirmation once the change is saved. Read the terms before you use the feature.
Dial the exit code. Use + or 0011.
Dial the country code.
Dial the phone number, including the area code. Drop the first 0 if the area code or number starts with 0.
A call to London looks like +44 20 7946 0904 or 0011 44 20 7946 0904. If the handset has no + key, use 0011.
Rates change by country. Use the list on this page. You will pay a per-minute rate plus a flagfall. Calls can cost a lot, so check the rate before you dial.
Check the plan Critical Information Summary. Some plans include international call credit. Calls above that credit are charged at the rates on this page.