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 Yemen
Here are the instructions on how to call the country of Canada from the United Kingdom.
To call Yemen, dial 00967 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 +967 omit the 967 and replace it with the UK international dialing code of 00. For example:
Phone Number in Yemen
Dialed from the United Kingdom
+967 x xxx xxxx
00 x xxx xxxx
1 764 4864
00 1 764 4864
How to call the UK from Yemen
To call a landline or mobile phone in the United Kingdon from Yemen, dial 00 44, then dial the UK phone number, minus the leading zero. For example: