Instructions for calling from the UK to international locations requires special calling codes that allow you to connect to countries outside of the United Kingdom.
Calling out to Tunisia
Here are the instructions on how to call the country of Canada from the United Kingdom.
To call Tunisia, dial 00216 and then enter the phone number of the person or location you’re trying to reach. If the phone number is displayed with a leading +216 omit the 216 and replace it with the UK international dialing code of 00. For example:
Phone Number in Tunisia
Dialed from the United Kingdom
+216 xx xxx xxx
00 xx xxx xxx
30 423 434
00 30 423 434
How to call the UK from Tunisia
To call a landline or mobile phone in the United Kingdon from Tunisia, dial 00 44, then dial the UK phone number, minus the leading zero. For example: