Thailand uses the country code +66, and you must also drop the trunk prefix 0 from the beginning of the Thai domestic telephone number. Using a mobile phone, just dial the number in international format, beginning with the plus symbol.
If your mobile does not allow you to enter the plus symbol in a telephone number, or if you are calling from a landline, substitute the UK's international access prefix 00 for the plus symbol.
+44 followed by the number.
Customers can call 789 from their Virgin Mobile phone to call Virgin Mobile UK. Other customers can call 0845 650 4500.
To call a UK-based mobile phone, wherever in the world it may be physically located, you always just dial the UK mobile number the same way you do when the mobile is in the UK. The network will automatically locate the mobile and re-route the call accordingly, and the mobile user will pay any applicable surcharges for roaming.
You can't.
To call a UK mobile from a UK landline, you always just dial the UK mobile number, exactly the same way you do when it is in the UK. The network will find the mobile automatically, and the mobile user will pay any applicable surcharges for international roaming.
The fact that the UK mobile is in France has no bearing on the cost to the original caller. The caller will pay the normal charge for a call to a UK mobile number, and the mobile user will pay any applicable surcharge for the international roaming.
Replace the trunk prefix 0 of the UK number with 00 44.
To call a UK-based mobile phone, anywhere in the world that it may be physically located, just dial the UK mobile numberexactly the same way you do when the mobile is in the UK.
+44 (for the UK), then the full mobile number without the leading zero. for example, to call 07999 999999, you would dial 0044 7999 999999
To call Spain from any GSM mobile, anywhere in the world, dial +34 and then the 9-digit Spanish number (landline or mobile).
+34 (including the plus symbol) followed by the 9-digit Spanish number
Dial 0044 (the country code for the UK) - then the mobile number WITHOUT the leading zero.
To call a British mobile from any overseas country - You dial the inernational access code for the UK (0044) then the mobile number WITHOUT the first zero. for example - to dial the mobile number 07974000000 you would dial 00447974000000