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 Tuvalu
Here are the instructions on how to call the country of Canada from the United Kingdom.
To call Tuvalu, dial 00688 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 +688 omit the 688 and replace it with the UK international dialing code of 00. For example:
Phone Number in Tuvalu
Dialed from the United Kingdom
+688 xx xxx
00 xx xxx
00 20 345
How to call the UK from Tuvalu
To call a landline or mobile phone in the United Kingdon from Tuvalu, dial 00 44, then dial the UK phone number, minus the leading zero. For example: