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 Saint Helena, Ascension and Tristan da C
Here are the instructions on how to call the country of Canada from the United Kingdom.
To call Saint Helena, Ascension and Tristan da C, dial 00290 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 +290 omit the 290 and replace it with the UK international dialing code of 00. For example:
Phone Number in Saint Helena, Ascension and Tristan da C
Dialed from the United Kingdom
+290 xxxxx
00 xxxxx
20858
00 20858
How to call the UK from Saint Helena, Ascension and Tristan da C
To call a landline or mobile phone in the United Kingdon from Saint Helena, Ascension and Tristan da C, dial 00 44, then dial the UK phone number, minus the leading zero. For example: